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Just Off the Press and Ready for Delivery!

High Frequency Apparatus

Its Construction and Practical Application

A quality hard cover reprint of a classic Tesla coil construction book! 269 pages plus original 42 page book catalog. Chapters include Tesla, Oudin, spark gaps, medical coils etc. $15.95 postpaid.

TESLA COIL BUILDERS ASSOCIATION RD3 Box 181, Glens Falls, NY 12801

Modern Resonance Transformer Design Parameters

By
D.C. Cox, Resonance Research, Inc.
Illustrations by Scott Forbes

This 106 page book is fully illustrated and covers every facet of modern Tesla coil design theory. It includes dozens of practical design tips for today's modern coil builder. Profusely illustrated with over 30 illustrations and dozens of equations covering every aspect of the complex component inter-relationships in Tesla oscillators. Softbound (500 copies available for immediate delivery). $50.⁰⁰ per book.

SALE: Book with several sharp color slides of Resonance Research Model 150 Resonance Transformer illustrating the transition from theory into modern practice. $87.50

NOTE: Please remit bank money order (no checks please) to D.C. Cox, R1, Shadylane Rd., Baraboo, WI 53913

SALE: CAPACITORS, 15 units, 0.2 MFD, 50 KV, approximate weight 50 lbs., $85 each plus shipping or trade for ROTARY SPARK GAP. Don W. Bible, 624 Riverbend Road, Clinton, TN 37716

*SALE: RF FILTERS, good for 20 amps, $3 (Part RFF1). Also, other surplus electronic stuff, (catalog). Midwest Surplus Electronics, 419 W. Dayton Drive, PO Box 607, Fairborn, Ohio 45324

*SALE: RF FILTERS, 20 amp (part TM22K832) $8.50 each. 30 amp (part TM22K146) $8.95, Herbach & Rademan, 401 E. Erie Ave., Philadelphia, PA 19134.

*NOTE! The above are for filtering RF out of the power line. Please mention TCBA when ordering.