An elementary manual of radiotelegraphy and radiotelephony for students and operators (1916)
Fleming, J. A. (John Ambrose), Sir, 1849-1945 · London, Longmans, Green & co. · leaf 230
e axis of a silver wire, about 2 mm. in diameter, like the wickof a candle. The compound wire is then drawn down until thediameter of the platinum wire is reduced to about 00015 mm.,in the manner first suggested by \^ollaston. A short piece ofthis Wollaston wire is bent into a loop and the ends… … Fig. 11. into the bulb like the filament of an incandescent lamp (seeFig. 12). The bulb is then closed and the air exhausted.Furthermore, the glass bulb may be enclosed in a silver bulb toshield it from external radiation. To detect the small rise intemperature produced in this fine wire by very…
Radio · Telegraph, Wireless · Telephone, Wireless
Internet Archive · University of Toronto, Robarts Library · Public Domain Mark 1.0. Free to use for anything.
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