| fig. |
page |
| 1.— |
Starboard showing cleats |
2 |
| 2.— |
Cardboard star |
2 |
| 3.— |
The North Star and Big Dipper on starboard |
3 |
| 4.— |
Finding the North Star and the Big Dipper |
4 |
| 5.— |
Line for sighting the North Star |
5 |
| 6.— |
The Big Dipper as we see it |
6 |
| 7.— |
The Great Bear as the ancients saw it |
6 |
| 8.— |
The Earth, Pole Star and Dog Star |
7 |
| 9.— |
The North Star and Big Dipper in winter |
9 |
| 10.— |
The North Star and Big Dipper in spring |
10 |
| 11.— |
The North Star and Big Dipper in summer |
11 |
| 12.— |
Telling time by the Big Dipper |
12 |
| 13.— |
Constellation of Cassiopeia |
15 |
| 14.— |
Cassiopeia as the Arabs saw her |
16 |
| 15.— |
The Little Dipper or Little Bear |
16 |
| 16.— |
The Little Dipper made into a Little Bear |
17 |
| 17.— |
The Great Square of Pegasus |
18 |
| 18.— |
Holding the chart of Pegasus overhead |
19 |
| 19.— |
The Flying Horse of Pegasus |
20 |
| 20.— |
Figure of a trapezium |
20 |
| 21.— |
Constellation of Orion |
21 |
| 22.— |
Orion the Mighty Hunter |
22 |
| 23.— |
Constellation of Auriga |
23 |
| 24.— |
Auriga the Shepherd |
24 |
| 25.— |
Constellation of Taurus |
25 |
| 26.— |
Taurus the Bull |
26 |
| 27.— |
Star map showing a part of the sky |
27 |
| 28.— |
Smoking glasses over candle flame |
29 |
| 29.— |
Seeing the sun through smoked glasses |
30 |
| 30.— |
A candle flame showing layers of flame |
31 |
| 31.— |
The sun as seen with a field glass |
32 |
| 32.— |
Prominences of the sun compared with the size of the earth |
33 |
| 33.— |
Cross section of the sun |
34
|
| 34.— |
Sun spot in Photosphere |
35 |
| 35.— |
Barometer tube |
36 |
| 36.— |
Barometer complete |
36 |
| 37.— |
Boy focussing burning glass on leaves to make fire |
38 |
| 38.— |
Boy sending flash signal with mirror |
39 |
| 39.— |
Continental Morse Code |
39 |
| 40.— |
Base for heliograph |
40 |
| 41.— |
Back view of heliograph |
40 |
| 42.— |
Top view of heliograph |
41 |
| 43.— |
Side view of heliograph |
41 |
| 44.— |
Heliograph complete |
42 |
| 45.— |
Numbered strip for sundial |
43 |
| 46.— |
Tin ring for sundial |
43 |
| 47.— |
Brass semi-circle with shadow wire |
44 |
| 48.— |
Sundial complete |
44 |
| 49.— |
To find the North by a watch |
45 |
| 50.— |
A star and a planet in a telescope |
46 |
| 51.— |
Sizes of planets compared |
48 |
| 52.— |
Three views of Mercury |
49 |
| 53.— |
Mars as seen through a telescope |
49 |
| 54.— |
Three views of Venus |
50 |
| 55.— |
The earth |
51 |
| 56.— |
Jupiter |
51 |
| 57.— |
Saturn |
52 |
| 58.— |
Uranus |
53 |
| 59.— |
Neptune |
53 |
| 60.— |
Marbles on top of table |
54 |
| 61.— |
Top view of solar system |
55 |
| 62.— |
Solar system in perspective |
56 |
| 63.— |
Egg shell on plate |
57 |
| 64.— |
Boy throwing stone to illustrate centrifugal force |
58 |
| 65.— |
Iron ball pendulum swinging in a plane |
59 |
| 66.— |
Iron ball pendulum swinging in curved line |
60 |
| 67.— |
Map of stars on sun’s path |
62 |
| 68.— |
Diagram of position of constellations |
63 |
| 69.— |
Plotting position of planet |
64 |
| 70.— |
Cross section of the earth |
67 |
| 71.— |
Sails of ship can be seen after hull has disappeared |
67 |
| 72.— |
Sailing round the earth |
68 |
| 73.— |
The earth moves under the swinging pendulum |
69 |
| 74.— |
If the earth’s equator were in a line with the sun |
70 |
| 75.— |
The earth tilted on its axis |
70 |
| 76.— |
Light in room to represent sun |
71
|
| 77.— |
Top spinning on plate |
72 |
| 78.— |
Circle around candle marked with seasons |
73 |
| 79.— |
Apple to represent earth suspended in air |
74 |
| 80.— |
Position of the earth and sun in autumn |
74 |
| 81.— |
Position of the earth and sun in winter |
74 |
| 82.— |
Position of the earth and sun in spring |
74 |
| 83.— |
Position of the earth and sun in summer |
75 |
| 84.— |
Cycle of seasons |
75 |
| 85.— |
Lines of force through and around a magnet |
76 |
| 86.— |
Lines of force around the earth |
77 |
| 87.— |
Watch spring needle for compass |
77 |
| 88.— |
Compass complete |
77 |
| 89.— |
Pocket watch-case compass |
78 |
| 90.— |
Dial of mariners’ compass |
78 |
| 91.— |
Needle for dipping needle |
80 |
| 92.— |
Dipping needle complete |
80 |
| 93.— |
Protractor showing degrees |
81 |
| 94.— |
Earth surface divided into degrees |
81 |
| 95.— |
Protractor set by dipping needle showing latitude |
82 |
| 96.— |
Two sticks screwed together |
83 |
| 97.— |
Two sticks across bucket of water |
83 |
| 98.— |
Protractor and sticks on drawing paper |
84 |
| 99.— |
Sextant in use. Shooting the sun |
85 |
| 100.— |
Shadows at the North Pole |
87 |
| 101.— |
Moon and earth joined together like a dumbbell |
89 |
| 102.— |
Balls connected with an elastic |
90 |
| 103.— |
Map showing Pacific Ocean |
90 |
| 104.— |
Imitating the volcanoes in the moon |
91 |
| 105.— |
Real volcanoes |
92 |
| 106.— |
Naked eye drawing of full moon |
93 |
| 107.— |
Experiment showing how one revolution of the moon |
|
| |
round the earth makes it turn once round its axis |
94 |
| 108.— |
Apple cut to show crescent |
95 |
| 109.— |
Diagram showing how the moon’s phases are made |
96 |
| 110.— |
Diagram of the moon’s phases as we see them |
97 |
| 111.— |
Boy, lamp and orange showing phases of moon |
99 |
| 112.— |
Attraction of the moon causes the tides |
100 |
| 113.— |
How spring tides are formed |
101 |
| 114.— |
How spring tides are formed |
101 |
| 115.— |
How neap tides are formed |
102 |
| 116.— |
How neap tides are formed |
103 |
| 117.— |
View of the earth from the moon |
104 |
| 118.— |
Telling time by the moon |
105
|
| 119.— |
Eclipse of the moon by the earth (experiment) |
107 |
| 120.— |
Moon eclipsed by the earth (diagram) |
108 |
| 121.— |
The moon as seen when in partial eclipse |
108 |
| 122.— |
Eclipse of the sun by the moon (experiment) |
109 |
| 123.— |
The sun eclipsed by the moon (diagram) |
109 |
| 124.— |
Total eclipse of the sun, showing path of the sun |
110 |
| 125.— |
Total eclipse of the sun, from photo |
111 |
| 126.— |
Annular eclipse of the sun |
111 |
| 127.— |
Partial eclipse of the sun |
111 |
| 128.— |
Comet showing Nucleus, Coma and tail |
113 |
| 129.— |
An ellipse, parabola and hyperbola |
113 |
| 130.— |
Head and tail of comet do not obey the same laws |
114 |
| 131.— |
Halley’s comet, from photo |
115 |
| 132.— |
Meteorite of iron etched with acid |
116 |
| 133.— |
The Milky Way |
117 |
| 134.— |
Different forms of nebulæ |
119 |
| 135.— |
Ripples or waves on water |
124 |
| 136.— |
Vibration of a bell |
125 |
| 137.— |
Sound waves in the air set up by bell |
126 |
| 138.— |
Waves in the ether |
127 |
| 139.— |
Forming an image with a lens |
128 |
| 140.— |
The human eye |
128 |
| 141.— |
Light reflected by an apple |
132 |
| 142.— |
Light reflected. Spoon in glass of water |
132 |
| 143.— |
How light is reflected |
133 |
| 144.— |
Prism |
133 |
| 145.— |
Prism forming a spectrum |
134 |
| 146.— |
Convex lens |
134 |
| 147.— |
Concave lens |
135 |
| 148.— |
Lipperhey’s boy discovers telescope |
137 |
| 149.— |
Disk of cardboard for pinhole telescope |
138 |
| 150.— |
Cross section of pinhole telescope |
138 |
| 151.— |
The telescope (Galileo) |
139 |
| 152.— |
Opera glasses |
140 |
| 153.— |
Pasteboard mounting of lens |
140 |
| 154.— |
Pasteboard lens mounting |
141 |
| 155.— |
Opera glass telescope. Cross section |
141 |
| 156.— |
Telescope. Cross section view |
142 |
| 157.— |
Magnifying power of telescope |
143 |
| 158.— |
Full view of moon |
145 |
| 159.— |
Glass globe cracked |
146 |
| 160.— |
Map of the moon |
147 |
| 161.— |
The moon girl |
147
|
| 162.— |
Diagram showing how to find solar noon |
153 |
| 163.— |
Circle divided into 360 degrees and 24 hours |
157 |
| 164.— |
The earth divided into 24 standard meridians |
158 |
| 165.— |
Standard time meridians in U. S. |
159 |
| 166.— |
Standard time at different cities |
161 |
| 167.— |
Ruled glass in transit instrument |
162 |
| 168.— |
The time ball |
164 |
| 169.— |
Receiving time signals by wireless |
165 |
| 170.— |
The zodiac as invented by the ancients |
167 |
| 171.— |
The zodiac as we know it today |
167 |
| 172.— |
Constellations and signs of the zodiac |
170 |
| 173.— |
Cardboard zodiac |
171 |
| 174.— |
Constellations of zodiac in circle |
172 |
| 175.— |
Constellations of Aries the Ram |
174 |
| 176.— |
Constellations of the Lion and Big Dipper |
177 |
| 177.— |
Constellations of Virgo the Virgin |
179 |
| 178.— |
Libra, Lion, Scorpio, Virgo |
179 |
| 179.— |
Lyra, Aquila, Capricornus |
181 |
| 180.— |
Camera pointing to North Star |
186 |
| 181.— |
Star trails |
187 |
| 182.— |
Boy looking through prism at slit in cardboard |
189 |
| 183.— |
Fraunhofer’s lines |
190 |
| 184.— |
The spectroscope |
191 |
| 185.— |
Geometrical figures |
195 |
| 186.— |
Kullmer star finder |
209 |