Cyclopædic Science simplified ... With ... illustrations |
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Page 3
... distance of centre of the thermo - electric pile from the disc of aluminum 8 in .; m , base containing the multiplying gear ; sss , air - tight glass receiver , 15 in . diameter and 16 in . high , covering the whole . in the article on ...
... distance of centre of the thermo - electric pile from the disc of aluminum 8 in .; m , base containing the multiplying gear ; sss , air - tight glass receiver , 15 in . diameter and 16 in . high , covering the whole . in the article on ...
Page 14
... distance from the luminous source increases , and it is on this principle that the instruments called photometers , or light - measurers , are constructed . A scale of 20 ft . in length , divided into feet and inches , may be used in ...
... distance from the luminous source increases , and it is on this principle that the instruments called photometers , or light - measurers , are constructed . A scale of 20 ft . in length , divided into feet and inches , may be used in ...
Page 15
... distances from the box being then squared , and the greater number divided by the less , will give the quo- tient which ... distance of the lights from the box being respectively 12 ft . and 3 ft . — 12 X 12 = 144 ÷ 3 X 39. Quotient , 16 ...
... distances from the box being then squared , and the greater number divided by the less , will give the quo- tient which ... distance of the lights from the box being respectively 12 ft . and 3 ft . — 12 X 12 = 144 ÷ 3 X 39. Quotient , 16 ...
Page 16
... distance of 175 in . from the top of the platinum wick ; a slight variation of level , however , has not been found to influence the light to an extent appreciable by our present means of photometry . The lamp having the reservoir of ...
... distance of 175 in . from the top of the platinum wick ; a slight variation of level , however , has not been found to influence the light to an extent appreciable by our present means of photometry . The lamp having the reservoir of ...
Page 17
... distance from the aperture in I that the two discs into which I appears to be split up are separated from each other , as at g D. If the disc c d contains no polarized light , the images gr will be white , consisting of oppositely ...
... distance from the aperture in I that the two discs into which I appears to be split up are separated from each other , as at g D. If the disc c d contains no polarized light , the images gr will be white , consisting of oppositely ...
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Common terms and phrases
acid action air-pump angle apertures apparatus arrangement axis ball barometer battery bismuth body boiling brass called carbon cause charged chemical circuit coating coil colours condensing conductor connected constructed copper cylinder described diameter direction disc discharge dry pile effect elec electric current electrical machine electro-magnet electroscope engine equal experiments flame fluid force galvanometer gases glass heat hydrogen inch induction instrument insulated iron latent heat latter length lens Leyden jar light lines magnetic mercury metal mirror motion needle observed obtained paper particles pass piece piston placed plate platinum polarized pole Polytechnic position pressure prism produced pump quantity rays reflected refraction resistance rheostat screw shellac shown side silver Sir Charles Wheatstone sound spark spectrum steam string substance sulphuric acid surface telegraph temperature thermometer tinfoil tion tourmaline tricity tube valve vapour velocity vessel vibrations voltaic wheel whilst wire zinc