The fireside university of modern invention, discovery, industry and art for home circle study and entertainment . plates is kept in strong great objection to electrotyping is that it is too slow formodern times. The papier mache process of stereotyping, ormaking type-metal plates, is an entirely different process, with-out the use of electricity, except as power. What is the Gas Flash-lighter ? It is an electrical arrangement and device, whereby illumina-ting gas can be lit by touching a button in the wall. A batteryis kept in the basement, which is inspected and attended by thecomp
The fireside university of modern invention, discovery, industry and art for home circle study and entertainment . plates is kept in strong great objection to electrotyping is that it is too slow formodern times. The papier mache process of stereotyping, ormaking type-metal plates, is an entirely different process, with-out the use of electricity, except as power. What is the Gas Flash-lighter ? It is an electrical arrangement and device, whereby illumina-ting gas can be lit by touching a button in the wall. A batteryis kept in the basement, which is inspected and attended by thecompany. The gasolier is wired. Around each gas-burner isa jacket containing a tiny motor and stopcock. The motor isset going and opens the gas valve. An arm holding a wire-poleswings across the field of escaping gas; the spark flies from poleto pole at the nearest point to the other pole, and the gas takesfire. By this means, the light can be turned on or off by touchingbuttons, as if it were an electrolier instead of a gasolier. What is Eleetro-plating ? The same as Electrolysis and Electrotyping, only that one. Fig. 39. DYNAMO-IIAND-POWER, FOR ELECTRO-PLATING, ETC. metal is deposited on another, a superior on an inferior quality,
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectscience, bookyear1902
