Electricity for everybody; its nature and uses explained (1895)
Atkinson, Philip · New York, The Century Co. · leaf 189
and shape; the process called flashingbeing one of the most important. This consists in sus-pending the filaments in a vessel filled with gas contain-ing a large proportion of carbon, and heating them toincandescence by the passage of an electric current throughthem, or otherwise; pure carbon being… … Fig. 74. 174 ELECTRICITY FOR EVERYBODY. carbon deposited in this way on a base of fine platinumwire. They are also sometimes made of silk tubes toincrease their cross-section and proportionally reducetheir length. The ends of the filament are attached to fine platinumwires imbedded in the glass…
Electricity
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