PhysicsAppleton, 1878 - 149 páginas |
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Página 21
... drive this piston down in order to force the water into smaller volume , and to do so let us put a large weight upon the piston ; but notwithstand- ing all this we cannot compress the water . 19. They communicate Pressure . * EXPERI ...
... drive this piston down in order to force the water into smaller volume , and to do so let us put a large weight upon the piston ; but notwithstand- ing all this we cannot compress the water . 19. They communicate Pressure . * EXPERI ...
Página 22
... drive along the horizontal piston ; and in like manner if we apply a twelve - pound weight to the horizontal piston , we drive up the vertical piston . Thus , by means of the water we can convert the downward push of the ten pounds on a ...
... drive along the horizontal piston ; and in like manner if we apply a twelve - pound weight to the horizontal piston , we drive up the vertical piston . Thus , by means of the water we can convert the downward push of the ten pounds on a ...
Página 39
... drive up the mercury so as to fill this empty space ? The reply is Fig . 16 . that it would if it could , as it is it presses upwards against the surface of the mercury in the vessel with force sufficient to keep up in the tube a column ...
... drive up the mercury so as to fill this empty space ? The reply is Fig . 16 . that it would if it could , as it is it presses upwards against the surface of the mercury in the vessel with force sufficient to keep up in the tube a column ...
Página 44
... drive up the water into the tube , until at last , when all the air is taken away , the whole tube will be filled with water . This water will then enter the pump barrel through the lower valve . But all this will not take place if the ...
... drive up the water into the tube , until at last , when all the air is taken away , the whole tube will be filled with water . This water will then enter the pump barrel through the lower valve . But all this will not take place if the ...
Página 50
... driving in a pile . Or let us suppose two water mills — one having a large tank or pond of water at a high level near it , while the other has a pond or tank of water , but at a level lower down 50 [ MOVING SCIENCE PRIMERS .
... driving in a pile . Or let us suppose two water mills — one having a large tank or pond of water at a high level near it , while the other has a pond or tank of water , but at a level lower down 50 [ MOVING SCIENCE PRIMERS .
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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