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 163
Fig. 80—A standard form of Tesla coil A form of Tesla coil available in the open market ata reasonable price is illustrated in Fig. 80. The construc-tion is simple and believing our readers might care tobuild one, we are giving herewith the specifications. The 158 HIGH FREQUENCY APPARATUS primary… … II STANDARD OFFICE EQUIPMENT 159 two parts of three turns each, connected together in themiddle and mounted upon bakelite posts on either side ofthe central upright piece which is of wood. The secondaryconsists of two cardboard cylinders wound with a singlelayer of No. 24 double cotton covered…
Electric apparatus and appliances
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