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 107
mmercial frequencies. 102 HIGH FREQUENCY APPARATUS The core is so generously proportioned and the quality ofiron specified so good that the only change necessary foruse on various frequencies is in the number of turns ofwire. The primary is wound upon the form illustrated inFig. 48. If the builder… … D/am.af 60^ PrJmory cfafoFor //o /o/fj /4 D,C.C J 1^ 462 turns 60^257 furns ^/4 D.C.C. ^ /2S fL/r/?6 _L /4 D.C.C for 220 yo/fs use fi/v/ce as manj^ of /jdcc Fig. 46.—Data for primary winding winding, a layer of cord is first wound over the woodendrum, and the base of oiled paper placed over this…
Electric apparatus and appliances
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