"Roentgen" induction coils and other X-ray apparatus (1903)
James G. Biddle Company · Philadelphia : James G. Biddle · leaf 30
James Q. Biddle, 1114 Chestnut Street, Philadelphia. 25 Queen Patent Regulating Tube. mi^. ^ Here ^ ^ II ^ ^y~ \ is a good <- / ^v ^—^ f o r m of ^^ ^ the regu- latin g type o { tube wliich is ,_#\ ^^ ~^; _jr:^^ recom- men d edlor u s ein ordi-n a r y Figure 20. ^^. ^ ^ ^^ both therapeutic and… … Non=Regulating Tube With Light Anode. This is a verygood form of non-regulating tube.The workman-ship on the glassis the best, whilethe propermounting of theelectrodes is well ■done. The glass is very transparent to the radiation, and the tube isan efficient one.
X-rays · Induction coils · Radiography
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