Electrical and scientific instruments and apparatus : november 20th, 1899 (1899)
Elmer G. Willyoung & Co · New York : E.G. Willyoung · leaf 135
hysicians and hospitals; quick X-Ray work, etc. Gives a very thick 8 spark. Pole Changer, attachable to any Static Ma-chines, with aid of ascrew driver, in five minutes $8 00 By use of this device the current through an X-Ray tube may be instantly reversed without changing connections. Spark Oaps… … Fig. 99C. No. 3. Static. X-RAY TUBES. As to what is the very best form of tube opinions differ widely.Perhaps, indeed probably, there is no best form; the whole matter is oneof conditions, like everything else. The size of the coil, its general rela-tion of parts, the generating source, the amount…
Electric apparatus and appliances · Equipment and supplies
Internet Archive · Medical Heritage Library · Public Domain Mark 1.0. Free to use for anything.
