Radio Broadcast (May 1928-Apr 1929)

RADIO BROADCAST ADVERTISER 61 DESIGNED TO RENDER UTMOST IN SERVICE FROST VOLUME CONTROL Gives complete, stepless and wonderfully smooth control of volume and oscillation. Wearproof roller contact arm, Bakelite case and dust cover. $2.00 and $2.25. A Complete Line That Was Built For Your Specific Requirements Frost-Radio offers you the finest and most complete line of radio parts available. This great line was designed and built with the specific requirements of the set builder in mind. Consequently, when you go to your dealer and order these parts you are sure of obtaining the very finest on the market, built by engineers with many years of experience in radio parts manufacture. Obviously, your receiver will give better, finer and much more dependable results when you use these superior parts made by Frost-Radio. PRICED TO GIVE YOU UTMOST IN VALUE FROST GEM VOLUME CONTROL Identical with our standard size Volume Control units except in size. Gem units are only 1% in. in diameter, and % in. thick. Great space savers. $2.25 and $2.50. . FORST VOLUME CONTROL WITH D. C. SWITCH Equipped with sturdy German silver switch mounted on Bakelite panel, and with switch points fitted with sterling silver contacts, this Volume Control gives quick operation, positive-locking off position and saves space. For battery operated sets. $2.25. FROST VOLUME CONTROL WITH A. C. SWITCH We equip our famous Volume Control with approved A.C. Snap Switch tested to carry 2 50 volts at 3 amperes, so that both switch and volume control may be handled by single knob. $2.75 and $3.00. FROST GEM RHEOSTATS Made to deliver a service that is not usually expected from little rheostats like these. Mighty good little rheostats, taking up little space and supplied either plain or with D.C. switch. Easy to solder to. Plain, 7 5c. With switch, $1.00. FROST BAKELITE RHEOSTATS Long the standard air cooled Bakelite Rheostat, as well as the original of this type. Resistance wire is wound on die cut Bakelite strip over moulded Bakelite frame. Wide choice of resistances. $1.25 and $2.50. FROST BAKELITE RHEOSTATS WITH D. C. SWITCH Cleverly mounted German silver D.C. battery switch is firmly attached to Bakelite panel on back of rheostat, affording quick on and off control of filament current. 2 to 75 ohms. $1.35. FROST HUM BALANCER Simply turn the slotted head shaft with screw driver to regulate. Smoothes the ripple out of A.C. current. Precision built. $1.00. FROST CONVENIENCE OUTLETS Fit std. outlet box Brush brass or Bakelite plates. $1.00 to $3.00. FROST MOULDED MICA CONDENSERS Cannot be affected by moisture or climate Moulded Bakelite with finest mica dielectric. Easy to attach. 45c to 90c. FROST APPROVED A. C. SWITCH Single hole mount 110 volt A.C. Snap Switch. Tested to 250 volts. 3 amps. Underwriters' approved. 75c. FROST BY-PASS CONDENSERS Made from finest materials, thoroughly seasoned, vacuum impregnated and hermetically sealed. Accurate capacities and conservative voltage ratings. 1 to 2 mfs. 80c to $2.00. FROST ALL-BAKELITE CABLE PLUG Terminals cannot work loose even when overheated. Color code moulded into Bakelite. Best quality cable, with colored rubber insulation on wires. Has 5 ft. seven strand braid covevered cable. Plug and cord only, $2.25. Baseboard or sub-panel socket, 75c. FROST PUSH-BACK HOOKUP WIRE Slide back the braid for soldering, then slip braid back over soldered joint. No. 18 double cotton covered, impregnated wire, tinned. 50 ft. roll, 80c. FROST FIXED RESISTANCES Die cut flexible Bakelite 10 00 ohms. Also, as center strip holds windings firmly tapped resistances, 6 to 6 4 in place. Terminals are ohms. 15c to 50c. staked into Bakelite. .4 to Mail Coupon Below For Our Complete 16 -Page Catalog FROST BLOCKING CONDENSERS Every particle of material used is of tested quality. Entire condenser enclosed in hermetically sealed cases after vacuum impregnation. Gold bronze lacquer finish; tinned terminals. $18.00. HERBERT H. FROST, INC. Main Office and Factory: ELKHART, IND. New York City CHICAGO San Francisco HERE'S A BOOK THAT YOU SHOULD SEND FOR TODAY It costs but little — 10c brings it to your door — and contains a vast amount of valuable information about rheostats, volume controls, switches, jacks, plugs, condensers, circuits, etc. It's a book every fan should have. Fill out and mail coupon to-day for your copy. "I j HERBERT H. FROST, Inc. I I 160 No. La Salle Street, Chicago I Send me your new Frost Data Book, containing valuable radio informa ■ I tion and facts about your complete line of parts. I enclose 10c. 1 ! | My name | i i | Street Address 1 i I I | City State j j I I (Are you a professional set builder? I ^| FROST HEAVY DUTY FILTER CONDENSERS We use only finest quality linen paper and highest grade foils in building these Filter Condensers. Conservative ratings. Designed to give longest, service with entire freedom from trouble. .5 to 2 mfds. $1.40 to $7.00.