PhysicsAppleton, 1878 - 149 páginas |
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Página 64
... glass bulb . which is filled with water ; let us now heat this glass bulb , and the water will rise in the fine tube which is attached to the bulb . In this case both the glass bulb and the water expand , but the water ex- pands more ...
... glass bulb . which is filled with water ; let us now heat this glass bulb , and the water will rise in the fine tube which is attached to the bulb . In this case both the glass bulb and the water expand , but the water ex- pands more ...
Página 65
... glass , which like water will become expanded and run up the fine tube when heat is applied . Here we have in reality two things expand- ing . In the first place the bulb itself expands , so that if you were accurately to gauge the bulb ...
... glass , which like water will become expanded and run up the fine tube when heat is applied . Here we have in reality two things expand- ing . In the first place the bulb itself expands , so that if you were accurately to gauge the bulb ...
Página 66
... glass , with a very fine bore , the other end of this fine tube being open to the air . Next heat the bulb in a flame ; in doing this the air in the bulb expands ( just as it did when we heated the bladder ) ; but the other end of the ...
... glass , with a very fine bore , the other end of this fine tube being open to the air . Next heat the bulb in a flame ; in doing this the air in the bulb expands ( just as it did when we heated the bladder ) ; but the other end of the ...
Página 67
... glass , so as to keep the air out , and this part of the process is then complete . 69 50 -90 80 -80 70- 70 60 60 50- 40- -40 30- -30 20 . 20 10 . 10 -0 Fig . 25 . Having thus got our thermometer tube , we plunge it when sufficiently ...
... glass , so as to keep the air out , and this part of the process is then complete . 69 50 -90 80 -80 70- 70 60 60 50- 40- -40 30- -30 20 . 20 10 . 10 -0 Fig . 25 . Having thus got our thermometer tube , we plunge it when sufficiently ...
Página 68
... glass where the point of the needle has cut through the wax . After the tube has been taken out of the solution we shall therefore find that all the lines which we made with the point of the needle have eaten into the glass by help of ...
... glass where the point of the needle has cut through the wax . After the tube has been taken out of the solution we shall therefore find that all the lines which we made with the point of the needle have eaten into the glass by help of ...
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acid air-pump attracted BALFOUR STEWART battery blow boiling-point bottom brass bright bulb bulk for bulk buoyancy burning-glass called cannon cold colours conductor convection copper cubic inches cylinder Describe an experiment E. A. FREEMAN earth elec electric machine electroscope excited glass excited sealing-wax expand experiment showing fact feet fill fire force gases Give an instance glass support grains gravity heated body hot body Illustrate your reply iron kinds of electricity knob latent heat lens Leyden jar liquid magnify means mercury metal mirror motion move needle nitric acid particles pass phosphorus piston pith ball plate platinum positive electricity pound weight pressure Price Primer prism ray of light rise rubbed scale-pan Sketch solid sound spark steam stoneware strikes substance sulphuric acid surface temperature thermometer thing told tricity tube valve vapour velocity vessel vibrating body weight wire zinc