Cyclopædic Science simplified ... With ... illustrations |
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Results 6-10 of 85
Page 33
... tube about half an inch beyond the ends of the reflectors . A circular piece of thin glass of the same diameter as the tube is then pushed into the tube so as to touch the reflectors . The pieces of coloured glass being laid upon this ...
... tube about half an inch beyond the ends of the reflectors . A circular piece of thin glass of the same diameter as the tube is then pushed into the tube so as to touch the reflectors . The pieces of coloured glass being laid upon this ...
Page 41
... tube closed at the lower end , which is occupied by a concave mirror , M. The cone of rays reflected from this mirror is again reflected at right angles from the surface of a small plane mirror , mn , mounted at an angle of 45 ° , near ...
... tube closed at the lower end , which is occupied by a concave mirror , M. The cone of rays reflected from this mirror is again reflected at right angles from the surface of a small plane mirror , mn , mounted at an angle of 45 ° , near ...
Page 56
... tube which contains a plate of glass to be used as an object - holder ( such as for the eels in paste ) , and the opposite end of the brass tube is closed with a diaphragm , which can be unscrewed if more light is required . The whole ...
... tube which contains a plate of glass to be used as an object - holder ( such as for the eels in paste ) , and the opposite end of the brass tube is closed with a diaphragm , which can be unscrewed if more light is required . The whole ...
Page 58
... tube open on one side , moving in another tube , and containing the rectangular prism A B C , one side of which , A C , 18 convex , and the other , C B , concave ; o , the framework to support the sheet of paper . In this camera the ...
... tube open on one side , moving in another tube , and containing the rectangular prism A B C , one side of which , A C , 18 convex , and the other , C B , concave ; o , the framework to support the sheet of paper . In this camera the ...
Page 59
... tube sliding within the first tube , and containing a double - convex lens , a ' . placed behind the flame , in order to increase the illumination of the pictures . The lime - light is placed behind the lenses called condensers ( Fig ...
... tube sliding within the first tube , and containing a double - convex lens , a ' . placed behind the flame , in order to increase the illumination of the pictures . The lime - light is placed behind the lenses called condensers ( Fig ...
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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