Radiography and the 'X' rays in practice and theory : with constructional manipulatory details (1898)
Bottone, Selimo Romeo · London ; New York : Whittaker & Co. · leaf 73
the contact screw by placing a slice ofcork, of sufficient thickness, between the hammer headand the coil core. It is even more essential in using analternating current that a sufficient resistance shouldbe used in circuit wuth the dynamo and coil than is thecase when a continuous current dynamo is… … lui. 20.- -Ti;sLA Ti{ansk(»i;mei:. alternations, instead of being clean and sharp, as repre-sented graphically hy/\y^\X\y\y\, partake more ofan undulatory character, as shown CHOICE OF SOURCE OF CJUUENT 01 § 33. There is, however, a niodificatiDn, or, to speakmore exactly, an addition to the…
Electric radiation · X-rays · Radiography
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