High frequency apparatus, design, construction and practical application; a practical treatise for electrical engineers, electricans, physicians, students and experimenters (1920)
Curtis, Thomas Stanley · New York, Norman W. Henley publishing company · leaf 132
struments. The description of PHYSICIANS^ PORTABLE APPARATUS 127 standard apparatus which follows will serve to offer a fewsuggestions relative to suitable arrangement. Standard Electro-Therapeutic Apparatus.—The stan-dard apparatus now on the market has reached a high stageof development and in… … Fig. 62.—Portable transformer outfit designed for vacuum range in price from $75.00 to $185.00 andthe latter figure are arranged to operate onIng or direct current. With the largerportable outfits, light X-Ray work may betients home. This feature is of prime imX-ray diagnosis is deemed advisable…
Electric apparatus and appliances
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.