Elementary Lessons in Heat, Light & Sound |
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Page 2
... appear much warmer than the hand itself , whereas the iron brackets on which they are supported feel uncomfortably hot ; a piece of slate or iron in a far corner of the room may even appear hotter to the hand than a wooden shelf just ...
... appear much warmer than the hand itself , whereas the iron brackets on which they are supported feel uncomfortably hot ; a piece of slate or iron in a far corner of the room may even appear hotter to the hand than a wooden shelf just ...
Page 3
... appear cold to your right hand , while , at the same time , it feels warm to the left hand . 3. Temperature . - In scientific language a hot body is said to have a high temperature , while a cold body is said to have a low temperature ...
... appear cold to your right hand , while , at the same time , it feels warm to the left hand . 3. Temperature . - In scientific language a hot body is said to have a high temperature , while a cold body is said to have a low temperature ...
Page 74
... appears quite damp , the amount of water - vapour actually present in a given volume of it is frequently less than on a hot summer day , when we say that the air ' feels dry . ' And the reason is not difficult to understand . The amount ...
... appears quite damp , the amount of water - vapour actually present in a given volume of it is frequently less than on a hot summer day , when we say that the air ' feels dry . ' And the reason is not difficult to understand . The amount ...
Page 84
... appears to be crushed down by it ( Fig . 43 ) . I I Fig . 43 . Fig . 44 . The gauze cools the mixture of coal - gas and air that streams through it below the temperature of ignition . That this inflammable mixture does readily pass ...
... appears to be crushed down by it ( Fig . 43 ) . I I Fig . 43 . Fig . 44 . The gauze cools the mixture of coal - gas and air that streams through it below the temperature of ignition . That this inflammable mixture does readily pass ...
Page 94
... appears to be blown about a bit at first , but it brightens up and keeps alight . The card- board has roughly divided up the chimney into two halves and the flame makes use of one of these to get rid of the hot gases while the other ...
... appears to be blown about a bit at first , but it brightens up and keeps alight . The card- board has roughly divided up the chimney into two halves and the flame makes use of one of these to get rid of the hot gases while the other ...
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Common terms and phrases
A. W. VERRALL amount of heat angle of incidence Assistant Master beam boiling boiling-point BOOK bulb Cambridge candle centimetres CHEMISTRY coefficient coloured concave lens concave mirror condensation convex lens cooling cork distance diverge Edited ELEMENTARY English equal equation expansion experiment EXPT FASNACHT Fcap flame flask focal length front G. E. FASNACHT GEOMETRY grammes GREEK HISTORY Illustrated image is formed inches incident ray increases interval ISAAC TODHUNTER latent heat LATIN lenses liquid LL.D Mathematics melt mercury observer Owens College paper passes placed position pressure principal axis principal focus prism produced Prof Professor pulse radiation rarefaction ray of light real image reflected refracted ray revised School screen shown in Fig side sound source of light specific heat steam string surface T. H. HUXLEY temperature thermometer Translated TREATISE Trinity College University velocity vibration vibration-number volume water-vapour wire
Popular passages
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