SO EASY IT’S SHOCKING, IF YOU USE ENLARGED PLANS (Dec, 1961)

SO EASY IT’S SHOCKING, IF YOU USE ENLARGED PLANS

to build electronic projects. Enlarged size, step-by-step craft print plans—complete with detailed materials lists—are available for the following:

191. TESLA COIL. Produces 70,000 volts at 500,000 cps. Spectacular but safe…………………………………$1.00
227. REPULSION COIL. Defies law of gravity—electromagnetically …………………………………………$1.00
243. DEMO ELECTRIC MOTORS. Plans for both windmill and engine types…………………………………….$1.50
251. SOLAR BATTERY AND MOTOR. Battery’s volt at 180 ma drives motor……………………………………$1.50
258. SUN-POWERED RELAY. Light-activated control with a variety of practical applications…………………….$1.00
264. HI-FI FM RECORD PLAYER. Phono oscillator, arm and turntable for hi-fi reproduction………………………$1.00
265. ELECTRICAL COIL-WINDING MACHINE. Motor-powered with foot-controlled reactor……………………..$1.00
279. WIMSHURST STATIC MACHINE. Constant source of static electricity…………………………………….$1.50
283. VAN DE GRAAFF GENERATOR. Costs $30 to build. Produces up to 250,000 volts………………………….$1.50
301. VAN DE GRAAFF GENERATOR. Produces up to 400.000 volts. This is the apparatus that can stand your hair on end! $1.50

… Save Money! If you order two or more craft prints, deduct 25c from the regular price of each print. Thus, for two prints, deduct 50c: three prints, 75c, etc. Use handy coupon below. Satisfaction guaranteed or money back.

SCIENCE and MECHANICS. Dept. 2152

450 East Ohio St., Chicago 11. Illinois

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