"Roentgen" induction coils and other X-ray apparatus (1903)
James G. Biddle Company · Philadelphia : James G. Biddle · leaf 31
James O. Biddle, 1114 Chestnut Street, Philadelphia. 27 mend them as the most satisfactory and reliable resistance for the tubecircuit under such circumstances. The inverse discharge tends to blacken the tube and proves veryannoyintr during fluoroscopic examination, so that the use of theseventril…
X-rays · Induction coils · Radiography
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