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 158
details of the cabinet are given in Fig. 75. Thebox may be constructed of mahogany, oak or white woodstained and finished to suit the taste of the builder or toharmonize with the furniture in the office. All of the nec-essary details of the cabinet are given in the drawing andit is believed that… … Fig. 76.—The cabinet closed controlling rheostat, single pole, single throw knife switch,stationary gap, and inductance coil. Referring to Fig. 77, we have an enlarged view of theleft-hand end of the cabinet with impedance coil removedto show method of mounting. This coil consists of a coreof iron…
Electric apparatus and appliances
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