“Whereas the Forgery of Bank Notes hath of late very much increased in this Kingdom; and as well for the Prevention thereof, as to facilitate the Detection of the same, the Governor and Company of the Bank of England have, after great Consideration, Labour and Expence, formed a new Plan for printing Bank Notes, in which the Groundwork of each Bank Note will be Black or Coloured, or Black and Coloured Line Work, and the Words “Bank of England” will be placed at the Top of each Bank Note, in White Letters upon a Black, Sable, or Dark Ground, such Ground containing White Lines intersecting each other, and the numerical Amount or Sum of each Bank Note in the Body of the Note, will be printed in Black and Red Register Work, and the Back of each Note will distinctly show the whole Contents thereof, except the Number and Date in a reversed Impression: Therefore, for the better Prevention of the Forgery of Bank Notes, and for the Security of the Public; be it enacted by the King’s most Excellent Majesty, by and with the Advice and Consent of the Lords Spiritual and Temporal, and Commons, in this present Parliament assembled, and by the Authority of the same, That from and after the passing of this Act, if any Person or Persons (other than the Officers, Workmen, Servants, and Agents for the Time being of the said Governor and Company, to be authorized and appointed for that Purpose by the said Governor and Company, and for the Use of the said Governor and Company only,) shall engrave, cut, etch, scrape, or by any other Art, Means, or Device make, or shall cause or procure to be engraved, cut, etched, scraped, or by any other Art, Means, or Device made, or shall knowingly aid or assist in the engraving, cutting, etching, scraping, or by any other Art, Means, or Device, making, in or upon any Plate of Copper, Brass, Steel, Iron, Pewter, or of any other Metal or Mixtures of Metal, or upon Wood or other Materials, or any Plate whatsoever, for the Purpose of producing a Print or Impression of all or any Part or Parts of a Bank Note, or of a Blank Bank Note, of the said Governor and Company, of the Description aforesaid, without an Authority in Writing from the said Governor and Company, or shall use any such Plate so engraved, cut, etched, scraped, or by any other Art, Means, or Device made, or shall use any other Instrument or Contrivance for the making or printing any such Bank Note or Blank Bank Note, or Part of a Bank Note of the Description aforesaid; or if any Person or Persons shall, from and after the passing of this Act, without such Authority as aforesaid, knowingly and without lawful Excuse, have in his, her, or their Custody any such Plate or Instrument, or without such Authority as aforesaid, shall knowingly or wilfully utter, publish, dispose of, or put away any such Blank Bank Note, or Part of such Bank Note, of the Description aforesaid, every Person so offending in any of the Cases aforesaid, and being thereof convicted according to Law, shall be adjudged a Felon, and shall be transported for the Term of Fourteen Years.

s. 2. “And whereas divers Frauds have been practised by making and publishing Papers with certain Words and Characters so nearly resembling the Notes of the Governor and Company of the Bank of England, as to appear, to ignorant and unwary Persons, to be the Notes of the said Governor and Company; and it is necessary for the Security of the Public, that such Practices, as applied to the Notes of the said Governor and Company of the Description aforesaid, should be prevented; be it therefore further enacted, That if any Person or Persons, from and after the passing of this Act, shall engrave, cut, etch, scrape, or by any other Art, Means, or Device make, or shall cause or procure to be engraved, cut, etched, scraped, or by any other Art, Means, or Contrivance made, or shall knowingly aid or assist in the engraving, cutting, etching, scraping, or by any other Art, Means, or Contrivance making, in or upon any Plate of Copper, Brass, Steel, Iron, Pewter, or of any other Metal or Mixture of Metals, or upon Wood, or any other Materials, or upon any Plate whatsoever, any Line Work, as or for the Ground Work of a Promissory Note, or Bill of Exchange, the Impression taken from which Line Work shall be intended to resemble the Ground Work of a Bank Note of the said Governor and Company of the Description aforesaid, or any Device, the Impression taken from which shall contain the Words “Bank of England,” in White Letters upon a Black, Sable, or Dark Ground, either with or without White or other Lines therein, or shall contain in any Part thereof the numerical Sum or Amount of any Promissory Note or Bill of Exchange in Black and Red Register Work, or shall show the reversed Contents of a Promissory Note or Bill of Exchange, or of any Part of a Promissory Note or Bill of Exchange, or contain any Word or Words, Figure or Figures, Character or Characters, Pattern or Patterns, which shall be intended to resemble the Whole or any Part of the Matter or Ornaments of any Bank Note of the Description aforesaid, or shall contain any Word, Number, Figure, or Character, in White on a Black, Sable, or Dark Ground, either with or without White or other Lines therein, which shall be intended to resemble the numerical Sum or Amount in the Margin, or any other Part of any Bank Note of the said Governor and Company, without an Authority in Writing for that Purpose from the said Governor and Company, to be produced and proved by the Party accused; or if any Person or Persons shall, from and after the passing of this Act, (without such Authority as aforesaid), use any such Plate, Wood, or other Material so engraved, cut, etched, scraped, or by any other Art, Means, or Contrivance made, or shall use any other Instrument or Contrivance for the making or printing upon any Paper or other Material, any Word or Words, Figure or Figures, Character or Characters, Pattern or Patterns, which shall be intended to resemble the Whole or any Part of the Matter or Ornaments of any such Note of the said Governor and Company, of the Description aforesaid, or any Word, Figure, or Character, in White on a Black, Sable, or Dark Ground, either with or without White or other Lines therein, which shall be apparently intended to resemble the numerical Sum or Amount in the Margin, or any other Part of any Bank Note of the said Governor and Company; or if any Person or Persons shall, from and after the passing of this Act, without such Authority as aforesaid, knowingly have in his, her, or their Custody or Possession, any such Plate or Instrument, or shall knowingly and wilfully utter, publish, or dispose of, or put away any Paper, or other Material containing any such Word or Words, Figure or Figures, Character or Characters, Pattern or Patterns, as aforesaid, or shall knowingly or willingly have in his, her or their Custody or Possession, any Paper or other Material containing any such Word or Words, Figure or Figures, Character or Characters, Pattern or Patterns as aforesaid, (without lawful Excuse, the Proof whereof shall lie upon the Person accused,) every Person so offending in any of the Cases aforesaid, and being convicted thereof according to Law, shall be adjudged a Felon, and shall be transported for the Term of Fourteen Years.”

11 Geo. 4. & 1 Will. 4. c. 66. “An Act for reducing into One Act all such Forgeries as shall henceforth be punished with Death, and for otherwise amending the Laws relative to Forgery.”

s. 13. “And be it enacted, That if any Person shall, without the Authority of the Governor and Company of the Bank of England, to be proved by the Party accused, make or use, or shall without lawful Excuse, to be proved by the Party accused, knowingly have in his Custody or Possession any Frame, Mould, or Instrument for the making of Paper, with the words “Bank of England” visible in the Substance of the Paper, or for the making of Paper with curved or waving Bar Lines, or with the Laying Wire Lines thereof in a waving or curved shape, or with any Number, Sum, or Amount, expressed in a Word or Words in Roman Letters, visible in the Substance of the Paper; or if any Person shall, without such Authority, to be proved as aforesaid, manufacture, use, sell, expose to sale, utter or dispose of, or shall, without lawful Excuse, to be proved as aforesaid, knowingly have in his Custody or Possession any Paper whatsoever with the Words “Bank of England” visible in the Substance of the Paper, or any Paper with curved or waving Bar Lines, or with the Laying Wire Lines thereof in a waving or curved Shape, or with any Number, Sum, or Amount, expressed in a Word or Words in Roman Letters, appearing visible in the Substance of the Paper; or if any Person, without such Authority, to be proved as aforesaid, shall by any Art or Contrivance, cause the Words “Bank of England” to appear visible in the Substance of any Paper, or cause the numerical Sum or Amount of any Bank Note, Bank Bill of Exchange, or Bank Post Bill, Blank Bank Note, Blank Bank Bill of Exchange, or Blank Bank Post Bill, in a Word or Words in Roman Letters, to appear visible in the Substance of the Paper whereon the same shall be written or printed; every such Offender shall be guilty of Felony, and, being convicted thereof, shall be transported beyond the Seas for the Term of Fourteen Years.

s. 14. “Provided always, and be it enacted, That nothing herein contained shall prevent any Person from issuing any Bill of Exchange or Promissory Note having the Amount thereof expressed in Guineas, or in a numerical Figure or Figures denoting the Amount thereof in Pounds Sterling, appearing visible in the Substance of the Paper upon which the same shall be written or printed, nor shall prevent any Person from making, using, or selling any Paper having waving or curved Lines, or any other Devices in the Nature of Watermarks, visible in the Substance of the Paper, not being Bar Lines, or Laying Wire Lines, provided the same are not so contrived as to form the Ground Work or Texture of the Paper, or to resemble the waving or curved Laying Wire Lines, or Bar Lines, or the Watermarks of the Paper used by the Governor and Company of the Bank of England.

s. 15. “And be it enacted, That if any Person shall engrave, or in anywise make upon any Plate whatever, or upon any Wood, Stone, or other Material, any Promissory Note or Bill of Exchange, or Blank Promissory Note, or Blank Bill of Exchange, or Part of a Promissory Note or Bill of Exchange, purporting to be a Bank Note, Bank Bill of Exchange, or Bank Post Bill, or Blank Bank Note, Blank Bank Bill of Exchange, or Blank Bank Post Bill, or Part of a Bank Note, Bank Bill of Exchange, or Bank Post Bill, without the Authority of the Governor and Company of the Bank of England, to be proved by the Party accused; or if any Person shall use such Plate, Wood, Stone, or other Material, or any other Instrument or Device, for the making or printing any Bank Note, Bank Bill of Exchange, or Bank Post Bill, or Blank Bank Note, Blank Bank Bill of Exchange, or Blank Bank Post Bill, or Part of a Bank Note, Bank Bill of Exchange, or Bank Post Bill, without such Authority, to be proved as aforesaid; or if any Person shall, without lawful Excuse, the Proof whereof shall lie on the Party accused, knowingly have in his Custody or Possession any such Plate, Wood, Stone, or other Material, or any such Instrument or Device; or if any Person shall, without such Authority to be proved as aforesaid, knowingly offer, utter, dispose of, or put off any Paper upon which any Blank Bank Note, Blank Bank Bill of Exchange, or Blank Bank Post Bill, or Part of a Bank Note, Bank Bill of Exchange, or Bank Post Bill, shall be made or printed; or if any Person shall, without lawful Excuse, to be proved as aforesaid, knowingly have in his Custody or Possession any such Paper; every such Offender shall be guilty of Felony, and, being convicted thereof, shall be transported beyond the Seas for the Term of Fourteen Years.

s. 16. “And be it enacted, That if any Person shall engrave or in anywise make upon any Plate whatever, or upon any Wood, Stone, or other Material, any Word, Number, Figure, Character, or Ornament, the Impression taken from which shall resemble, or apparently be intended to resemble, any Part of a Bank Note, Bank Bill of Exchange, or Bank Post Bill, without the Authority of the Governor and Company of the Bank of England, to be proved by the Party accused; or if any Person shall use any such Plate, Wood, Stone, or other Material, or any other Instrument or Device, for the making upon any Paper or other Material the Impression of any Word, Number, Figure, Character, or Ornament which shall resemble, or apparently be intended to resemble, any Part of a Bank Note, Bank Bill of Exchange, or Bank Post Bill, without such Authority, to be proved as aforesaid; or if any Person shall without lawful Excuse, the Proof whereof shall lie on the Party accused, knowingly have in his Custody or Possession any such Plate, Wood, Stone, or other Material, or any such Instrument or Device; or if any Person shall, without such Authority, to be proved as aforesaid, knowingly offer, utter, dispose of, or put off any Paper or other Material upon which there shall be an Impression of any such Matter as aforesaid; or if any Person shall, without lawful Excuse, to be proved as aforesaid, knowingly have in his Custody or Possession any Paper or other Material upon which there shall be an Impression of any such Matter as aforesaid; every such Offender shall be guilty of Felony, and, being convicted thereof, shall be transported beyond the Seas for the Term of Fourteen Years.

s. 17. “And be it enacted, That if any Person shall make or use any Frame, Mould or Instrument for the Manufacture of Paper, with the Name or Firm of any Person or Persons, Body Corporate, or Company carrying on the Business of Bankers (other than and except the Bank of England) appearing visible in the Substance of the Paper, without the Authority of such Person or Persons, Body Corporate or Company, the Proof of which Authority shall lie on the Party accused; or if any Person shall, without lawful Excuse, the Proof whereof shall lie on the Party accused, knowingly have in his Custody or Possession any such Frame, Mould, or Instrument; or if any Person shall, without such Authority, to be proved as aforesaid, manufacture, use, sell, expose to Sale, utter, or dispose of, or shall, without lawful Excuse, to be proved as aforesaid, knowingly have in his Custody or Possession any Paper in the Substance of which the Name or Firm of any such Person or Persons, Body Corporate, or Company carrying on the Business of Bankers shall appear visible; or if any Person shall, without such Authority, to be proved as aforesaid, cause the Name or Firm of any such Person or Persons, Body Corporate, or Company carrying on the Business of Bankers to appear visible in the Substance of the Paper upon which the same shall be written or printed; every such Offender shall be guilty of Felony, and, being convicted thereof, shall be liable, at the Discretion of the Court, to be transported beyond the Seas for any Term not exceeding Fourteen Years nor less than Seven Years, or to be imprisoned for any Term not exceeding Three Years nor less than One Year.

s. 18. “And be it enacted, That if any Person shall engrave or in anywise make upon any Plate whatever, or upon any Wood, Stone, or other Material, any Bill of Exchange or Promissory Note for the Payment of Money, or any Part of any Bill of Exchange or Promissory Note for the Payment of Money, purporting to be the Bill or Note, or Part of the Bill or Note, of any Person or Persons, Body Corporate, or Company carrying on the Business of Bankers (other than and except the Bank of England), without the Authority of such Person or Persons, Body Corporate, or Company, the Proof of which Authority shall lie on the Party accused; or if any Person shall engrave or make upon any Plate whatever, or upon any Wood, Stone, or other Material, any Word or Words, resembling, or apparently intended to resemble, any Subscription subjoined to any Bill of Exchange or Promissory Note for the Payment of Money issued by any such Person or Persons, Body Corporate, or Company carrying on the Business of Bankers, without such Authority, to be proved as aforesaid; or if any Person shall, without such Authority, to be proved as aforesaid, use, or shall, without lawful Excuse, to be proved by the Party accused, knowingly have in his Custody or Possession, any Plate, Wood, Stone, or other Material upon which any such Bill or Note, or Part thereof, or any Word or Words resembling or apparently intended to resemble such Subscription shall be engraved or made; or if any Person shall, without such Authority, to be proved as aforesaid, knowingly offer, utter, dispose of, or put off, or shall, without lawful Excuse, to be proved as aforesaid, knowingly have in his Custody or Possession, any Paper upon which any Part of such Bill or Note, or any Word or Words resembling or apparently intended to resemble any such Subscription, shall be made or printed; every such Offender shall be guilty of Felony, and being convicted thereof, shall be liable, at the Discretion of the Court, to be transported beyond the Seas for any Term not exceeding Fourteen Years nor less than Seven Years, or to be imprisoned for any Term not exceeding Three Years nor less than One Year.

s. 19. “And be it enacted, That if any Person shall engrave or in anywise make upon any Plate whatever, or upon any Wood, Stone, or other Material, any Bill of Exchange, Promissory Note, Undertaking, or Order for Payment of Money, or any Part of any Bill of Exchange, Promissory Note, Undertaking, or Order for Payment of Money, in whatever Language or Languages the same may be expressed, and whether the same shall or shall not be or be intended to be under Seal, purporting to be the Bill, Note, Undertaking, or Order, or Part of the Bill, Note, Undertaking, or Order, of any Foreign Prince or State, or of any Minister or Officer in the Service of any Foreign Prince or State, or of any Body Corporate, or Body of the like Nature, constituted or recognized by any Foreign Prince or State, or of any Person or Company of Persons resident in any Country, not under the Dominion of His Majesty, without the Authority of such Foreign Prince or State, Minister or Officer, Body Corporate, or Body of the like Nature, Person or Company of Persons, the Proof of which Authority shall lie on the Party accused; or if any Person shall, without such Authority, to be proved as aforesaid, use, or shall without lawful Excuse, to be proved by the Party accused, knowingly have in his Custody or Possession, any Plate, Stone, Wood, or other Material upon which any such Foreign Bill, Note, Undertaking, or Order, or any Part thereof, shall be engraved or made; or if any Person shall, without such Authority, to be proved as aforesaid, knowingly utter, dispose of, or put off, or shall, without lawful Excuse, to be proved as aforesaid, knowingly have in his Custody or Possession any Paper upon which any Part of such Foreign Bill, Note, Undertaking, or Order shall be made or printed; every such Offender shall be guilty of Felony, and, being convicted thereof, shall be liable, at the Discretion of the Court, to be transported beyond the Seas for any Term not exceeding Fourteen Years, nor less than Seven Years, or to be imprisoned for any Term not exceeding Three Years nor less than One Year.”

FORM.

The pages when they are imposed and locked up in a chase are called a Form; and this term is applied whether it be one page only or any number that are imposed in one chase.

FORM DANCES.

When the lines have not been well justified, or if any thing at the ends prevents them being tight when locked up, so that when the compositor tries if the form will lift, and finds that quadrats, letters, and spaces, or any of them drop down and will not rise, it is said, the Form dances.—M.

This term is more properly applied to a form when, in being lifted from the stone, letters, spaces, or quadrats, will drop lower down than their proper situation, without entirely disengaging themselves from the form; this frequently happens.

FORM LIFTS.

After a form is locked up, and when, on being raised a little from the stone, neither letters, spaces, nor any thing else drops out, it is said, the Form lifts.

FORM IN THE SINK.

After a form is laid up, it is frequently left in the sink for a short time to allow the water to drain from it; if another compositor wants to lay up a form before this be removed, he calls out, Form in the Sink! that the person to whom it belongs may take it away.

Form Rises. See Form Lifts.

Form Springs. See Spring of a Form.

FORMULÆ, CHEMICAL,

are symbols representing the different substances, simple and compound.

For the convenience of those who have occasion to refer to a compound substance containing two atoms of base, (as, for instance, antimonious acid in respect to its carbon,) the weight of two atoms of the base is given after the weight of the single atom.

Name. Formula. Oxygen = 100. Hydrogen = 1.
Oxygen O 100.000 16.026
Hydrogen H 6.2398 1.000
2H 12.4796 2.000
Nitrogen N 88.518 14.186
2N 177.086 28.372
Phosphorus P 196.155 31.436
2P 392.310 68.872
Chlorine Cl 221.325 35.470
2Cl 442.650 70.940
Iodine I 768.781 123.206
2I 1537.562 246.412
Carbon C 76.437 12.250
2C 152.875 24.500
Boron B 135.983 21.793
2B 271.966 43.586
Silicon Si 277.478 44.469
Selenium Se 494.582 79.263
Arsenic As 470.042 75.329
2As 940.084 150.659
Chromium Cr 351.819 56.383
2Cr 703.638 112.766
Molybdenum Mo 598.525 95.920
Tungstenium Tu or W 1183.200 189.621
Antimony Sb 806.452 129.243
2Sb 1612.904 258.486
Tellurium Te 806.452 129.243
Tantalum Ta 1153.715 184.896
2Ta 2307.430 369.792
Titanium Ti 389.092 62.356
Gold (aurum) Au 1243.013 199.207
2Au 2486.026 398.415
Platina Pt 1215.220 194.753
Rhodium R 750.680 120.305
2R 1501.360 240.610
Palladium Pd 714.618 114.526
Silver (argentum) Ag 1351.607 216.611
Mercury (hydrargyrus) Hg 1265.822 202.863
2Hg 2531.645 405.725
Copper (cuprum) Cu 395.695 63.415
2Cu 791.390 126.829
Uranium U 2711.360 434.527
2U 5422.720 869.154
Bismuth Bi 1330.376 213.208
2Bi 2660.752 426.416
Tin (stannum) Sn 735.294 117.839
Lead (plumbum) Pb 1294.498 207.458
2Pb 2588.996 414.917
Cadmium Cd 696.767 111.665
Zinc Zn 403.226 64.621
Nickel Ni 369.675 59.245
Cobalt Co 368.991 59.135
2Co 737.982 118.270
Iron (ferrum) Fe 339.213 54.363
2Fe 678.426 108.725
Manganese Mn 355.787 57.019
2Mn 711.575 114.038
Cerium Ce 574.718 92.105
2Ce 1149.436 184.210
Zirconium Zr 420.238 67.348
2Zr 840.476 134.696
Yttrium Y 401.840 64.395
Beryllium (glucinum) Be 331.479 53.123
2Be 662.958 106.247
Aluminum Al 171.167 27.431
2Al 342.234 54.863
Magnesium Mg 158.353 25.378
Calcium Ca 256.019 41.030
Strontium Sr 547.285 87.709
Baryum Ba 856.88 137.325
Lithium L 127.757 20.474
Natrium (sodium) Na 290.897 46.620
2Na 581.794 93.239
Kalium (potassium) K 489.916 78.515
Ammonia 2N 2H3 214.474 34.372
Cyanogen 2NC 329.911 52.872
Sulphuretted hydrogen 2HS 213.644 34.239
Hydrochloric acid 2HCl 455.129 72.940
Hydrocyanic acid 2HNC 342.390 54.872
.
Water 2H 112.479 18.026
.
Protoxide of nitrogen 2N 277.036 44.398
.
Deutoxide of nitrogen N 188.518 30.212
...
Nitrous acid 2N 477.036 76.449
:.:
Nitric acid 2N 677.036 108.503
.
Hydrosulphuric acid S 301.165 48.265
..
Sulphurous acid S 401.165 64.291
:.:
Hyposulphuric acid 2S 902.330 144.609
...
Sulphuric acid S 501.165 80.317
:.:
Phosphoric acid 2P 892.310 143.003
:.:
Chloric acid 2Cl 942.650 151.071
:::
Perchloric acid 2Cl 1042.650 167.097
:.:
Iodic acid 2I 2037.562 326.543
..
Carbonic acid C 276.437 44.302
...
Oxalic acid 2C 452.875 72.578
:::
Boracic acid 2B 871.966 139.743
...
Silicic acid Si 577.478 92.548
..
Selenic acid Se 694.582 111.315
:.:
Arsenic acid 2As 1440.084 230.790
...
Protoxide of chrome 2Cr 1003.638 160.840
...
Chromic acid Cr 651.819 104.462
...
Molybdic acid Mo 898.525 143.999
Tunstic, or ...
wolfram acid W 1483.200 237.700
...
Oxide of antimony 2Sb 1912.904 306.565
..
Antimonious acid Sb 1006.452 161.296
....
2Sb 2012.904 322.591
:.:
Antimonic acid 2Sb 2112.904 338.617
..
Oxide of tellurium Te 1006.452 161.296
...
Tantalic acid 2Ta 2607.430 417.871
..
Titanic acid Ti 589.092 94.409
.
Protoxide of gold 2Au 2786.026 446.493
..
Oxide of platina Pt 1415.220 226.086
...
Oxide of rhodium 2R 1801.360 228.689
.
Oxide of palladium Pd 814.618 130.552
.
Oxide of silver Ag 1451.607 232.637
.
Protoxide of mercury 2Hg 2631.645 421.752
.
Peroxide of mercury Hg 1365.822 218.889
.
Protoxide of copper 2Cu 801.390 142.856
.
Peroxide of copper Cu 495.695 79.441
.
Protoxide of uranium U 2811.360 450.553
...
Peroxide of uranium 2U 5722.720 917.132
...
Oxide of bismuth 2Bi 2960.752 474.49
.
Protoxide of tin Sn 835.294 133.866
..
Peroxide of tin Sn 935.294 149.892
.
Oxide of lead Pb 1394.498 223.484
...
Minium 2Pb 2888.996 462.995
..
Brown oxide of lead Pb 1494.498 239.511
.
Oxide of cadmium Cd 796.767 127.691
.
Oxide of zinc Zn 503.226 80.649
.
Oxide of nickel Ni 469.675 75.271
.
Oxide of cobalt Co 468.991 75.161
...
Peroxide of cobalt 2Co 1037.982 166.349
.
Protoxide of iron Fe 439.213 70.389
...
Peroxide of iron 2Fe 978.426 156.804
.
Protoxide of manganese Mn 455.787 73.045
...
Oxide of manganese 2Mn 1011.575 162.117
..
Peroxide of manganese Mn 555.787 89.071
:.:
Manganesic acid 2Mn 1211.575 194.169
.
Protoxide of cerium Ce 674.718 108.132
...
Oxide of cerium 2Ce 1449.436 232.289
...
Zirconia 2Zr 1140.476 182.775
.
Yttria Y 501.840 80.425
...
Glucina, or beryllia 2Be 962.958 154.325
...
Alumina 2Al 642.334 109.492
.
Magnesia Mg 258.353 41.404
.
Lime Ca 356.019 57.056
.
Strontia Sr 647.285 103.735
.
Baryta Ba 956.880 153.351
.
Lithia L 227.757 36.501
.
Natron, or soda Na 390.897 62.646
...
Peroxide of sodium 2Na 881.794 141.318
.
Kali, or potassa K 589.916 94.541
...
Peroxide of potassium K 789.916 126.593
. ...
Sulphate of potassa KS 1091.081 174.859
. ...
Protosulphate of iron FeS 940.378 150.706
... ...
Persulphate of iron 2FeS3 2481.906 397.754
Protochloride of iron Fe2Cl 781.863 125.303
Perchloride of iron 2Fe2Cl3 2006.376 321.545
Protochloride of mercury 2Hg2Cl 2974.295 476.666
Perchloride of mercury Hg2Cl 1708.472 273.803
Ferrocyanide of iron Fe2NC + 2K2NC 2308.778 370.008
. ...     ...  ...           .
Alum KS + 2AlS3 + 24 2H 5936.406 951.378
 . ...     ...   ...
Felspar KSi + 2Al Si 3542.162 567.673

Berzelius’s Symbols of all the Elementary Substances.

Elements. Symb. Elements. Symb.
Aluminum Al Mercury (Hydrargyrum) Hg
Antimony (Stibium) Sb Molybdenum Mo
Arsenic As Nickel Ni
Barium Ba Nitrogen N
Bismuth Bi Osmium Os
Boron B Oxygen O
Bromine Br Palladium Pd
Cadmium Cd Phosphorus P
Calcium Ca Platinum Pl
Carbon C Potassium (Kalium) K
Cerium Ce Rhodium R
Chlorine Cl Selenium Se
Chromium Cr Silicium Si
Cobalt Co Silver (Argentum) Ag
Columbium (Tantalum) Ta Sodium (Natrium) Na
Copper (Cuprum) Cu Strontium Sr
Fluorine F Sulphur S
Glucinium G Tellurium Te
Gold (Aurum) Au Thorium Th
Hydrogen H Tin (Stannum) Sn
Iodine I Titanium Ti
Iridium Ir Tungsten (Wolfram) W
Iron (Ferrum) Fe Vanadium V
Lead (Plumbum) Pb Uranium U
Lithium L Yttrium Y
Magnesium Mg Zinc Zn
Manganese Mn Zirconium Zr

Degrees of Oxidation are indicated by Dots placed over the Symbol.

:.:
Nitric Acid N Muriatic Acid HCI
... ...
Sulphuric do. S Boracic do. B
:.:
Fluoric do. HF Arsenic do. As_
.. .
Carbonic do. C Water H
:.:
Phosphoric do. P_

Table of the principal Groups of the Isomorphous Substances at present observed by Chemists.

.
1. Silver Ag 9. Salts of Baryta Ba
.
Gold Au Strontia Sr
... .
2. Arsenious Acid (usual form) Lime(in Arragonite) Ca
... .
Sesquioxide of Antimony Sb͟ Protoxide of Lead Pb
... .
3. Alumina Al_ 10. Salts of Lime Ca
... .
Peroxide of Iron Fe_ Magnesia Mg
:.: .
4. Salts of Phosphoric Acid P_ Protoxide of Iron Fe
:.: .
Arsenic do. A_ Manganese Mn
... .
5. Salts of Sulphuric Acid S Zinc Zn
... .
Selenic do. Se Nickel Ni
... .
Chromic do. Cr Cobalt Co
... .
Manganic do. Mn Copper Cu
:.:. .
6. Salts of Perchloric do. Cl Lead (in Plumbo Pb
Calcitie)
:.:. ...
Permanganic do. Mn_ 11. Salts of Alumina Al͟
. ...
7. Salts of Potassa K Peroxide of Iron Fe
Amonia with   . ...
1 eq. of Water   H3N + H Oxide of Chromium Cr
. ...
8. Salts of Soda Na Sesquioxide of Manganese Mn
.
Oxide of Silver Ag

Professor Whewell in an Essay on the Employment of Notation in Chemistry, observes, “I have no hesitation in saying, that in mineralogy it is utterly impossible to express clearly, or to reason upon, the chemical constitution of our substances, without the employment of some notation or other. Every one who makes the trial will find that, without a notation, his attempts to compare the composition of different minerals will be confused and fruitless, and that, by employing symbols, his reasonings may easily be made brief, clear, and systematic.”

After criticising the foreign notation as being grossly anomalous and defective, he adds the following list, which he hopes he has shown to be mathematically consistent and chemically useful. He has used the atomic composition adopted by Dr. Turner in his Chemistry.

ka = potassium ka + o = K = Potassa.
na = sodium na + o = N = Soda.
li = lithium li + o = L = Lithia.
ba = barium ba + o = B = Baryta.
sr = strontium sr + o = Sr = Strontia.
ca = calcium ca + o = C = Lime (calcia).
ma = magnesium ma + o = M = Magnesia.
zi = zirconium zi + o = Z = Zirconia.
gl = glucinum gl + o = G = Glucina.
al = aluminium al + o = A = Alumina.
si = silicium si + o = S = Silica.
mn = manganese mn + o = Mn = Protoxide.
mn + (3/2) o = Mns = Deutoxide.
mn + 2 o = Mnn = Peroxide.
mn + 3 o = Mn` = Manganesious Acid.
mn + 4 o = M = Manganesic Acid.
fe = iron fe + o = Fe = oxide.
fe + (3/2) o = Fes = peroxide.
zi = zinc zi + o = Zi = oxide.
cd = cadmium cd + o = Cd = oxide.
sn = tin sn + o = Sn = oxide.
sn + 2 o = Snn = peroxide.
ce = cerium ce + o = Ce = oxide.
ce + (3/2) o = Ces = peroxide.
cb = cobalt cb + o = Cb = oxide.
cb + (3/2) o = Cbs = peroxide.
ni = nickel ni + o = Ni = oxide.
ni + (3/2) o = Nis = peroxide.
bi = bismuth bi + o = Bi = oxide.
ti = titanium ti + o = Ti = oxide.
cu = copper cu + o = Cu = oxide.
cu + 2 o = Cuu = peroxide.
ur = uranium ur + o = Ur = oxide.
ur + 2 o = Urr = peroxide.
pb = lead pb + o = Pb = oxide.
pb + (3/2) o = Pbs = deutoxide.
pb + 2 o = Pbb = peroxide.
hg = mercury hg + o = Hg = oxide.
hg + 2 o = Hgg = peroxide.
ag = silver ag + o = Ag = oxide.
au = gold au + o = Au = oxide.
pt = platinum pt + o = Pt = oxide.
pd = palladium pd + o = Pd = oxide.
ir = iridium
rh = rhodium rh + o = Rh = oxide.
rh + (3/2) o = Rhs = peroxide.
om = osmium
cr = chromium cr + o = Cr = oxide.
cr + (5/2) o = cr´ = chromic acid.
mo = molybdenum mo + o = Mo = oxide.
mo + 2 o = Moo = deutoxide.
mo + 3 o = mo´ = molybdic acid.
tu = tungsten tu + 2 o = Tuu = oxide.
tu + 3 o = tu´ = tungstic acid.
cm = columbium
an = antimony an + o = oxide.
an + (3/2) o = deutoxide.
ar = arsenic ar + (3/2) o = ar` = arsenious acid.
ar + (5/2) o = ar´ = arsenic.
p = phosphorus p + (3/2) o = p` = phosphorous acid.
p + (5/2) o = = phosphoric.
s = sulphur s + o = hyposulphurous acid.
s + 2 o = s` = sulphurous.
s + 3 o = = sulphuric.
se = selenium se + 2 o = se` = selenious acid.
se + 3 o = se´ = selenic.
te = tellurium te + o = oxide.
b = boron b + 2 o = = boracic acid.
c = carbon c + o = c` = carbonic oxide.
c + 2 o = = carbonic acid.
n = nitrogen n + o = oxide.
n + 2 o = deutoxide.
n + 3 o = hyponitrous acid.
n + 4 o = n` = nitrous acid.
n + 5 o = = nitric acid.
n + 3 h = Am = ammonia.
fl = fluorine fl + h = fl´ = hydrofluoric acid.
cl = chlorine cl + h = cl´ = muriatic acid.
io = iodine io + h = io´ = hydriodic acid.

Berzelius represents water (aqua) by Aq; for the sake of simplicity Whewell says he has used q. He also observes, “In the notation of Berzelius, the atoms of oxygen are indicated by dots placed over the symbol of the base. Thus, [..]fe, [...]fe are the protoxide and peroxide of iron, which he considers as having two and three atoms of oxygen respectively. This notation is compact and simple, but it is not consistent with algebraical rule, so far as the oxygen is concerned; and I conceive that, if this element be explicitly expressed, it ought to be done in the manner I have recommended, fe + 2 o, fe + 3 o, &c.”—Journals of Royal Institution.

I have omitted Professor Whewell’s reasons, which he gives to show the superiority of his notation over those of foreign nations and that of Berzelius, as they are not of practical utility in printing; but I have given his list, which will be useful in printing mineralogical works in cases where the copy may be bad.

FORTY-EIGHTMO.

A sheet of paper folded into forty-eight leaves, or ninety-six pages.

FORTYMO.

A sheet of paper folded into forty leaves, or eighty pages.

FOUL PROOF.

When a proof has many faults marked in it.—M. Pressmen are also in the habit of calling the first proof a Foul Proof; and frequently they pull it so as to justify the epithet.

FOUL STONE.

After imposing or correcting, if a compositor leave any thing upon the imposing stone, except the mallet, shooting stick, and planer, it is termed a foul stone; which in many houses subjects him to a fine.

FOUNT,