Projection engineering (Jan 1932-Mar 1933)

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FEBRUARY, 1932 Page 29 The Higher The Quality Of Your Product The More Reason For PRECISION RESISTORS TO INSURE QUALITY — USE QUALITY DELIBERATELY DESIGNED FOR GREATER PERFORMANCE THAN NEEDED ALLOY WIRE WOUND MULTI ENAMELED REBAKED INSULATION. EXCLUSIVE PRECISION FEATURES. DOUBLE PROTECTION. DOUBLE ASSURANCE OF PERMANENT TROUBLE FREE SERVICE. PRICED IMPRESSIVELY LOW WHY PAY MORE FOR LESS EVERY TYPE FOR EVERY PURPOSE OR TO YOUR SPECIFICATIONS BY ALL MEANS INVESTIGATE SEND FOR BOOKLET E PRECISION RESISTOR CO 113-115 FRELINGHUYSEN AVENUE NEWARK, N. J. SURPLUS STOCK =Must Sacrifice! Film Cement, per gal $2.00 Spray Perfume, per gal.. . . 1.50 (20 aromas) Gum Remover, per gal.. 2.00 Screen Cleaning Fluid, per gal 2.00 (For sound or beaded screens) Flame-proof 2 in I Cement, per gal.. Urikalces, per doz. . . Fil m 2.75 1.00 No Regard to Cost ! ! Get Our Price ! ! GALLON CANS ONLY Prices C.O.D., F.O.B. New York City BOX 15— PROJECTION ENGINEERING 52 VANDERBILT AVE., NEW YORK CITY Portable Type Reflector Arc Lamp The sensation of the industry — this new lamp designed for projection of 35 or 16 mm. film. Gives a brilliant picture as large as 8 to 12 feet wide, even on porous screens, making it especially valuable with sound equipment. Operates from any lamp socket with current from 8 to 16 amps. Weighs less than 25 lbs. Size 18" x 12" x 10". Extremely simple in operation. A new rectifier unit as companion to this lamp is also available. For Sale by Independent Supply Dealers £>he Strong Electric Corporation 2501 LAGRANGE STREET TOLEDO, OHIO Export Office: 44 Whitehall Street, New York City, N. Y. General Radio Volume Control employing an entirely new circuit and mechanical construction at low cost. Contacts of Advance metal (using same wire for its resistance). Noise level is low and may be used in circuits at levels as low as 60 to 80 decibels without introducing noise in the circuit. Type Impedance Price 652 M.A. 50 ohms $12.50 652 M.B. 200 ohms 12.50 652 M. C. 500 ohms 12.50 Let us assist you in your requirements JHhoHomeofRADK 45 VESEY STREET NEW YORK CITY