Radiography and the 'X' rays in practice and theory : with constructional manipulatory details (1898)
Bottone, Selimo Romeo · London ; New York : Whittaker & Co. · leaf 64
Fig. 16.—False Bottom in Base for Coil. § 27. The relative positions of the coil parts andcondenser on and in the base are shown sectionally inour fig. 17. To avoid confusion the two battery terminalsare placed in a line one with the other, instead of onebehind the other ; also the commutator is…
Electric radiation · X-rays · Radiography
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