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 100
Pill inside ofcase with wax ; A VTTTZZZZi Discharge ball … V////////////////7777??^. ^//^^///yy//////y^y/y>///y//^y////////////yyyz7. 1 Finishing end of •soondaryand starting turn of priaaryconnect with this pottt But arborheld inlathe spindle
Electric apparatus and appliances
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
