Radiography and the 'X' rays in practice and theory : with constructional manipulatory details / by S.R. Bottone ; with 47 illustrations.

  • Bottone, Selimo Romeo
Date:
1898
Catalogue details

Licence: Public Domain Mark

Credit: Radiography and the 'X' rays in practice and theory : with constructional manipulatory details / by S.R. Bottone ; with 47 illustrations. Source: Wellcome Collection.

Provider: This material has been provided by the Francis A. Countway Library of Medicine, through the Medical Heritage Library. The original may be consulted at the Francis A. Countway Library of Medicine, Harvard Medical School.

    52/212 page 38
    waHhors. The poHition of the vuda of the wire, where they pjiBS tliroii^Oi the soction diviHioii, is hIiowii at lig. 0, when' for ck'arnc.ss im iiichnrd lin(> takes ihv place of a complete coil of wire. § 22. If the operator decides to make the (I in. spark coil, ho will 1)1' more likely to succeed if, instead of huildiii^' uj) the coil in seven sections only, of about 1^ in. space raoli, li(^ fills in oacli of those spaces with twelve Z ^ ^ S- € Fig. G-—Mode of Wixdixo Sections. sections wound in between cheeks of paraffined paper, the same size as the vulcanised fibre washers, each paper sec- tion having]; about i in. thick of wire coiled in it. The best way to coil these sections is to procure a metal collar, a trifle larger in diameter than the ebonite tube of the coil, and of the thickness that it is intended the sections should be. A spindle passes through the centre of this collar, and is supported on upright standards similar to
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