PhysicsAppleton, 1878 - 149 páginas |
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... give information , as to endeavour to discipline the mind in a way which has not hitherto been cus- tomary , by bringing it into immediate contact with Nature herself . For this purpose a series of simple experiments has been devised ...
... give information , as to endeavour to discipline the mind in a way which has not hitherto been cus- tomary , by bringing it into immediate contact with Nature herself . For this purpose a series of simple experiments has been devised ...
Página 7
... gives it a tendency to fall , is pre- vented from acting or is resisted by the table . The weight presses against the table , but the table with- stands this pressure . So that you have here two forces resisting or withstanding each ...
... gives it a tendency to fall , is pre- vented from acting or is resisted by the table . The weight presses against the table , but the table with- stands this pressure . So that you have here two forces resisting or withstanding each ...
Página 8
... give way and we should fall . Sometimes a wooden floor or platform has been so filled with people that it has given way , and they have fallen to the ground , and many of the people have been killed or very much hurt . Thus you see that ...
... give way and we should fall . Sometimes a wooden floor or platform has been so filled with people that it has given way , and they have fallen to the ground , and many of the people have been killed or very much hurt . Thus you see that ...
Página 19
... give it a great depth , rather than a great flat surface , and let us apply the same force as before . Fig . 6 . We shall find that the beam is not bent nearly so much as it was before . 16. Strength of Materials . - Now if an archi- OF ...
... give it a great depth , rather than a great flat surface , and let us apply the same force as before . Fig . 6 . We shall find that the beam is not bent nearly so much as it was before . 16. Strength of Materials . - Now if an archi- OF ...
Página 20
... give way much less under any heavy weight . An architect or engineer ought therefore to know all about the strength of things , and how to place them so as to get the greatest possible strength out of the least possible amount of ...
... give way much less under any heavy weight . An architect or engineer ought therefore to know all about the strength of things , and how to place them so as to get the greatest possible strength out of the least possible amount 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