Radiography and the 'X' rays in practice and theory : with constructional manipulatory details (1898)
Bottone, Selimo Romeo · London ; New York : Whittaker & Co. · leaf 53
re has been wound in, the wire iscut from the bobbin, leaving 1 in. or so free forfuture attachment. A number of paper discs (about144), with central hole the same size as in the vulcan-ised fibre washers, and of the same outside diameter, musthave been previously prepared by soaking in melted 40… … Fio. 7.—Section Wini>er, Snowixo Parts, crank, and removes the disc. This latter may or maynot brmg with it the wound section of wire. If it isfound to adhere to both discs, the application of a little THE INDUCTION COIL 41 warmth will soften tho paraflin siiflicieiitly to allow tliediscs to bo…
Electric radiation · X-rays · Radiography
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