. Radiography, X-ray therapeutics and radium therapy . emulsified. Practicallyevery maker manufacturesan interrupter of this type,and a general descriptionwill apply to all. The prin-ciple is the same in each—a mercury jet rotating in a vessel with a gas 2 m, Motor. C1 and r\ Contacts. (/] and <P, Mercury jets. q, Mercury. s, Adjustable contact. /■, Funnel for di-elecl ric, r. Safety valve. /, (ias tap. e, (lontaining vessel. g, Closing valve. 18 RADIOGRAPHY Motor Resistance AAAAAAAA. AAAAA^ i oil ...Mark I. Mot<<r resistance AAA/WW Ot—O Switch for O Second Contact

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Keywords: ., bo, bookauthorknoxrobert18681928, bookcentury1900, bookdecade1910