CONTENTS.
Anonymous
PAGE
Actinometer
10
Æthrioscope
16
Altitude tables
37
Anemograph
84
Anemometers, velocity
80
Aneroid barometer
35
Atmidometer
25
Atmospheric electricity
89
Barograph
38
Barometer precautions
40
„ description of
29
„ construction of
26
„ self-recording
36
„ warnings
43
„ syphon
30
„ wheel
33
„ corrections of
27
Beaufort’s scale of wind force
76
„ weather notation
82
Black bulb in vacuo
12
Boiling-point thermometer
36
Calorification
8
Condensation
45
Capacity, correction
27
Capillarity, correction
28
Centigrade thermometer
20
Cirro-cumulus cloud
56
Cirro-stratus cloud
56
Cirrus cloud
52
Clouds, forms of
52
„ amount of
57
Compass bearings
71
Conversion of thermometer scales
23
Cumulo-stratus cloud
56
Cumulus cloud
53
Dew-point
48
Electrification
86
Electrometers, forms of
90
Electroscope
89
Evaporation, measurement of
24
Fahrenheit’s thermometer
20
Fortin’s barometer
27
Freezing-point
20
Frost, management of hygrometer in
50
Gold-leaf electroscope
89
Glass, storm
41
Heights, measurement of
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