[40] If the Topping-lifts are fitted with a span, a reduction of one-third in the size of the chain for span will be necessary.

Note.—One-eighth of an inch of Iron in diameter is more than equal to an inch of Hemp Rope in circumference.

Line

515.--A Table showing the Dimensions of the Masts and Yards of American, English and French Ships.
FRENCH SHIPS AS PUBLISHED, AND REDUCED TO ENGLISH MEASURE.

  Three-deck Ships. Two-deck Ships. Frigates.
AMERICAN. ENGLISH. FRENCH. 1st Class. 2d Class. AMERICAN. ENGLISH. FRENCH.
AMERICAN. ENGLISH. FRENCH. AMERICAN. ENGLISH. FRENCH. 1st Class. 2d Class.
Length. Diamet. Length. Diamet. Length. Diamet. Length. Diamet. Length. Diamet. Length. Diamet. Length. Diamet. Length. Diamet. Length. Diamet. Length. Diamet. Length. Diamet. Length. Diamet. Length. Diamet.
  Ft.In. Inch. Ft.In. Inch. Ft.In. Inch. Ft.In. Inch. Ft.In. Inch. Ft.In. Inch. Ft.In. Inch. Ft.In. Inch. Ft.In. Inch. Ft.In. Inch. Ft.In. Inch. Ft.In. Inch. Ft.In. Inch.
Length of Lower-deck — — 205 . — 206 .6 — — — 193 .10 — 191 .8 — — — 176 . — 179 .11 — — — — — 151 .5 — 151 .2  
Breadth Extreme — — 54 .6 — 59 .6 — — — 51 .5 — 50 . — — — 47 .6 — 47 . — — — — — 40 .1 — 38 .4  
Main Mast to the hound 132 . 41 . 106 .7 41   109 .8 41 ¹⁄₂ 124 .6 40 . 101 .7 39 ¹⁄₄ 105 .5 38 ¹⁄₄ 117 . 36 .5 93 . 36   95 .8 36 ³⁄₈ 105 . 34 .6 95 . 31 .5 77 .6 28   81 .2 29 ¹⁄₄
Main Mast head 22 . — 20 .7 — 18 .1 — 20 . — 19 .8 — 17 . — 20 . — 18 . — 15 .11 — 18 . — 16 . — 15 . — 13 .1  
Main Top-mast to the hound 70 . 21 .5 64 .11 22   68 .5 23 ³⁄₈ 70 . 21 .5 59 .8 20 ³⁄₄ 65 .5 21 ³⁄₄ 70 . 21 .5 56 .2 19 ¹⁄₄ 60 .2 20 ¹⁄₄ 63 . 19 .3 56 . 17 . 46 .10 16 ¹⁄₈ 52 .10 17 ¹⁄₂
Main Top-mast head 12 . — 10 .1 — 9 .4 — 12 . — 9 .7 — 9 . — 10 . — 9 .1 — 9 . — 9 .7 — 9 .6 — 7 .6 — 7 .11  
Main Top-gallant Mast to the hound 41 . 12 . 33 . 12 ¹⁄₈ 35 .2 12 ³⁄₄ 41 . 12 . 30 .5 11 ¹⁄₂ 34 .2 11 ³⁄₄ 41 . 12 . 29 .0¹⁄₂ 11   33 . 11 ¹⁄₄ 37 .6 11 . 33 .6 10 . 23 .8 9   30 .11 10 ⁵⁄₈
Main Top-gallant Mast pole 24 . 9 .5 23 . — 19 .2 — 24 . 9 .5 21 .6 — 18 .1 — 24 . 9 .5 21 . — 13 . — 22 . 8 .8 20 . 6 .6 19 . — 17 .  
Fore Mast to the hound 120 . 37 . 98 .11 38   102 .2 39 ³⁄₈ 115 . 36 .5 92 .6 37   95 .11 36 ³⁄₄ 105 . 33 . 84 .9 — 88 .5 36 ¹⁄₂ 95 . 31 .5 86 . 28 . 71 .1 25   72 .1 26 ¹⁄₂
Fore Mast head 20 . — 19 .1 — 17 . — 18 . — 18 .6 — 15 .11 — 18 . — 16 .6 — 14 .11 — 16 . — 14 .6 — 13 .9 — 12 .1  
Fore Top-mast to the hound 63 . 21 .5 52 .2 22   62 .10 23 ⁵⁄₈ 63 . 21 .5 53 .10 20 ³⁄₈ 59 .11 21 ³⁄₄ 63 . 21 .5 50 . — 57 .11 20 ¹⁄₄ 56 . 19 .3 51 . 17 . 41 .6 16 ¹⁄₈ 48 .1 17 ¹⁄₂
Fore Top-Mast head 10 .6 — 9 .2 — 8 .6 — 10 .6 — 8 .8   8 .2 — 10 .6 — 8 . — 7 . — 9 .6 — 8 .4 — 6 .8 — 7 .2  
Fore Top-gallant Mast to the hound 37 .6 12 . 30 .1 11   30 .11 11 ¹⁄₈ 37 .6 12 . 26 .4 10   29 .10 10 ¹⁄₈ 37 .6 12 . 25 .3¹⁄₂ 9 ⁵⁄₈ 29 .10 11 ¹⁄₈ 33 .6 11 . 30 . 10 . 20 .5 7 ³⁄₄ 27 .8 10 ³⁄₈
Fore Top-gallant Mast pole 22 . 8 .7¹⁄₂ 21 . — 17 . — 22 . 8 .7¹⁄₂ 20 . — 15 .11 — 22 . 8 .7¹⁄₂ 19 .6 — 10 .7 — 20 . 7 .5 18 . 6 .6 17 .6 — 14 .11  
Mizen Mast to the hound 110 . 27 . 73 .4 25   76 .7 27 ¹⁄₈ 105 . 26 .5 71 .2 25 ³⁄₈ 67 .11 24 ¹⁄₂ 98 . 26 . 66 .7 23 ³⁄₈ 57 . 19   84 . 24 . 76 . 20 . 57 . 19   57 .6 19 ¹⁄₈
Mizen Mast head 17 . — 12 .9 — 11 .8 — 16 . — 12 .10 — 10 .7 — 16 . — 11 .1 — 9 .11 — 12 .4 — 11 . — 9 .11 — 9 .6  
Mizen Top mast to the hound 55 . 16 .5 46 .6 14 ¹⁄₂ 48 . 14 ⁵⁄₈ 55 . 16 .5 43 .9 14   46 .5 13 ³⁄₄ 53 . 16 . 41 .4 13   45 .10 13 ³⁄₄ 46 .4 13 .5 41 . 12 . 35 .6³⁄₄ 11 ⁷⁄₈ 38 .5 12 ³⁄₄
Mizen Top-mast head 9 . — 7 .4 — 6 .4 — 9 . — 7 . — 5 .11 — 5 .9 — 6 .8 — 5 .4 — 6 .8 — 6 . — 5 .8³⁄₄ — 6 .4  
Mizen Top-gallant Mast to the hound 33 .6 9 .5 22 . 8 ³⁄₈ 27 .11 9 ¹⁄₄ 33 .6 9 .5 21 .7 8 ¹⁄₂ 29 .10 7 ⁷⁄₈ 33 .6 9 .5 21 .0¹⁄₂ 8   29 .7 7 ³⁄₈ 24 .6 8 .5 21 . 6 .5 17 .11¹⁄₂ 6 ⁷⁄₈ 21 .4 7 ³⁄₈
Mizen Top-gallant Mast pole 20 . 7 . 15 . — 14 .11 — 20 . 7 . 17 .6 — 10 .7 — 20 . 7 . 17 . — 9 .6 — 16 .6 — 14 . 4 .6 15 .6 — 10 .7  
Main Yard 110 . 24 . 109 .3 26   117 . 27 ⁵⁄₈ 107 .6 23 .5 103 .3 24 ³⁄₄ 106 .6 26 ⁵⁄₈ 105 . 23 .5 96 .8 22 ⁵⁄₈ 97 .11 27 ³⁄₄ 95 . 20 . 86 .6 19 . 81 .9 18 ⁷⁄₈ 85 .2 20 ³⁄₄
Fore Yard 100 . 23 . 95 . 22 ³⁄₈ 106 .6 25 ¹⁄₂ 96 . 21 .5 89 .9 21 ¹⁄₂ 96 .6 24 ³⁄₈ 90 . 21 . 84 .8 19 ⁵⁄₈ 89 .5 24 ³⁄₈ 84 . 18 .5 76 . 18 . 71 .5 16 ³⁄₈ 74 .6 17 ¹⁄₂
Cross-Jack Yard 80 . 16 . 78 .8 16 ⁷⁄₈ 92 . 19 ¹⁄₈ 80 . 16 . 74 .3 16   96 .9 18 ¹⁄₈ 80 . 16 . 70 .6 14 ⁵⁄₈ 89 .5 15 ⁷⁄₈ 66 . 14 . 65 .1 13 . 59 . 12 ¹⁄₄ 58 .6 12 ¹⁄₈
Main Top-sail Yard 82 . 18 . 78 .8 16 ⁷⁄₈ 82 .4 17   78 . 17 .5 74 .3 16   79 .10 17   77 . 17 . 70 .6 14 ⁵⁄₈ 74 .6 15 ³⁄₈ 71 .6 16 . 65 . 15 . 59 . 12 ¹⁄₄ 61 .9 12 ¹⁄₂
Fore Top-sail Yard 75 . 16 . 69 . 14 ³⁄₈ 78 .6 17   71 . 16 . 64 .8 13 ⁷⁄₈ 62 .11 15 ⁷⁄₈ 67 . 15 . 61 .6 12 ³⁄₄ 66 . 14 ⁷⁄₈ 62 . 14 .7 57 . 13 . 53 .4 11 ¹⁄₂ 54 .4 11 ¹⁄₄
Mizen Top-sail Yard 52 . 11 . 52 .6 11   60 .8 13 ⁷⁄₈ 52 . 11 . 49 . 10 ¹⁄₈ 55 .4 9 ¹⁄₂ 49 . 11 .3 46 .1 19 ⁵⁄₈ 66 . 13 ³⁄₄ 45 . 10 . 40 . 9 . 40 .8 8 ¹⁄₄ 47 .11 8 ¹⁄₄
Main Top-gallant Yard 52 . 10 . 51 .10 10 ¹⁄₂ 54 .4 10 ¹⁄₈ 52 . 10 .5 46 . 9 ³⁄₈ 50 . 8 ¹⁄₂ 51 . 10 .5 45 .10 9 ¹⁄₄ 47 .9 7 ³⁄₄ 45 . 9 .5 40 . 8 . 37 .6 7 ¹⁄₂ 40 .5 7 ³⁄₈
Fore Top-gallant Yard 48 . 9 .5 46 .3 9 ¹⁄₂ 48 .11 9   46 . 9 .5 38 .10 8   44 .8 7 ¹⁄₂ 45 . 9 .4 40 . 8 ¹⁄₂ 42 .7 7 ³⁄₈ 41 . 9 . 38 . 7 .5 32 .11 6 ¹⁄₂ 35 .4 6 ⁷⁄₈
Mizen Top-gallant Yard 33 . 6 . 36 .3 7 ¹⁄₂ 42 .7 8 ¹⁄₂ 33 . 6 .5 34 . 7   38 .4 6 ⁵⁄₈ 32 . 7 . 32 . 6 ⁵⁄₈ 36 .6 6 ¹⁄₄ 30 . 6 . 26 . 5 .2 28 . 5 ¹⁄₂ 30 .10 6 ⁷⁄₈
Bowsprit 81 . — 75 .1 37   74 .6 40 ³⁄₈ 78 . — 71 .11 36   69 .2 37 ¹⁄₄ 72 . — 61 .6 12 ³⁄₄ 66 . 24 ³⁄₈ 66 . — 60 . — 53 .4 11 ¹⁄₂ 55 .4 27 ³⁄₄
Sprit-sail Yard 52 . 11 . 69 . 14 ³⁄₈ 72 .5 16 ¹⁄₂ 52 . 11 . 64 .8 13 ⁷⁄₈ 71 .4 16 ¹⁄₂ 49 . 10 .5 61 .6 12 ³⁄₄ 64 .11 14 ⁷⁄₈ 44 .6 10 . 40 . 9 . 53 .4 11 ¹⁄₂ 58 .6 11 ³⁄₄
Spanker Boom 60 . 13 . 74 .4 14 ³⁄₈ — — 60 . 13 . 70 .2 13 ⁷⁄₈ 48 .11 6 ³⁄₈ 60 . 13 . 66 . 12 ³⁄₄ 47 .11 5 ³⁄₄ 50 . 11 . 45 . 10 . 55 .8 11      
Gaff 38 . 9 . 55 .9 12 ¹⁄₂ — — 38 . 9 . 43 . 7 ³⁄₄ — — 38 . 9 . 50 .2 11 ⁷⁄₈ — — 32 . 8 . 30 . 7 . 42 .5 10      
Jib-Boom 60 . Cap.
16.5		 46 .3 9 ¹⁄₂ 63 .11 17   60 . Cap.
16.5		 50 . 14 ¹⁄₂ 56 .5 13 ³⁄₄ 54 . Cap.
16.3		 40 . 8 ¹⁄₂ 53 .2 13 ¹⁄₄ 50 . Cap.
14.3		 45 . Cap.
13.		 — — 58 .6 12 ³⁄₄