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 234
. The electrode of small surface is generallyprepared from a Wollaston wire by drawing down a platinumwire coated with silver, or else a platinum wire coated with iron,until the platinum wire itself is less than 0-001 mm. in diameter.A short length of the compound wire is then fixed to the end of…
Radio · Telegraph, Wireless · Telephone, Wireless
Internet Archive · University of Toronto, Robarts Library · Public Domain Mark 1.0. Free to use for anything.
