PhysicsD. Appleton and Company, 1872 - 135 páginas |
Otras ediciones - Ver todas
Términos y frases comunes
air-pump attracted BALFOUR STEWART battery bell bladder blow boiling-point bottom brass bright bulb bulk for bulk called cold colder colours conductor convection cooled copper cubic inches cylinder drive earth elec electric machine electroscope excited glass excited sealing-wax expand EXPERIMENT fact figure fill fire flask force give glass support gold leaves heated body heavier iron Jupiter knob latent heat lens let us take Leyden jar liquid magnify means melting ice mercury metal mirror motion move particles pass phosphorus piece of glass pints piston pith ball plate poker positive electricity pound of water pound weight pressure prism ray of light repelled rise round rubbed scale-pan silk slit solid sound spark steam stoneware strikes substance sulphuric acid surface temperature thermometer thing told tricity tube valve vapour velocity vessel vibrating body visible energy weight wire zinc
Pasajes populares
Página 109 - They are only partiticular instances of the fundamental law of electric action, that bodies charged with the same kind of electricity repel one another.
Página 72 - ... then heat the ball, — the force of the expansion would be great enough to burst the ball. In large iron and tubular bridges allowance must be made so that the iron has room to expand ; for in the middle of summer the bridge will be somewhat longer than in the middle of winter, and if it has not room to lengthen out, it will be injured by the force tending to expand it. There is an arrangement for this purpose in the Menai Tubular Bridge. We take advantage of the force of expansion and contraction...
Página 58 - ... feet. By a most unlucky coincidence, the precise focus of divergence at the former station was chosen for the place of the confessional. Secrets never intended for the public ear thus became known, to the dismay of the confessors and the scandal of the people, by...