"Roentgen" induction coils and other X-ray apparatus (1903)
James G. Biddle Company · Philadelphia : James G. Biddle · leaf 25
he induc-tion coil as is delivered by the Direct Current Motor-Generator shownon the preceding page. In ordering an Alternating Current Motor-Generator it is neces-sary to specify the voltage and frequency of the alternating current tobe used. Alternating Current Motor = Generators. Commercial… … Figure 13. Portable Storage Batteries. OHYSICIANS and experts who have occasion to treat patients ini^ their own homes or must have a portable outfit, will find this ^—* type of cell convenient for transportation. The size of thesecells is well suited to induction coil work. No. Cells in Case.…
X-rays · Induction coils · Radiography
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![An illustration from [Electric engineering.] (1902)](https://img.insideoutlibrary.com/img/200/ia-electricengineer01inte-243-108.webp)
