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RADIO BROADCAST ADVERTISER
317
Fahnestock Clips
RADIO'S GREATEST CONVENIENCE
Used by Manufacturers of Standard Sets and Parts — and by Manufacturers of High Grade Wet and Dry Batteries.
ALL GENUINE FAHNESTOCK CLIPS
bear our imprint on the thu mb piece of the clip.
WORLD'S LARGEST MAKER OF CLIP TERMINALS
48 different sizes and styles to meet all requirements.
Send for Catalog and-Satnples
FAHNESTOCK ELECT. CO.
L. I. City New York
;! Bradje^stat \
m PERFECT FILAMENT CONTROL
Provides complete noiseless filament control for all radio tubes withoutchangeof connections. Metal parts are nickel plated. One hole mounting. Self contained switch opens battery circuit when desired.
^Pen-Bra^r Ca
»" ^ Electric Controlling Apparatus
"» 278 Greenfield Avenue Milwaukee, Wis.
■
Make Your Own Three Foot Cone Speaker In Less Than An Hour world's finest loud speaker*
~~ GENUINE — "ENSC0"3^C0NE KIT
ONLY
NO THE SOLUTION OF THE PERFECT DISTORTION LOUD-SPEAKER PROBLEM FIDELITY
9tS* Choice of {hadiugTxgmeers
Complete parts furnished in kit form. We guarantee this speaker the equal of any manufactured cone speaker at any price.
With this THREE FOOT CONE SPEAKER you hear all the tones. It brings out the true depth and beauty of orchestral and instrumental music. Can be operated softly for living room music or full volume for dancing, and without trace of distortion.
Kit includes famous "ENSCO" cone unit, the only direct-drive, distortionless unit for large cones; Alhambra Fonotex for big cone, with brass apes, two Sepia Prints showing cabinet or simple stand construction. All necessary instructions. Buy this wonderful speaker under our absolute guarantee. Your money back if you are not convinced that it is the finest reproducing medium obtainable at any price. It works on any set, With ordinary Tubes or with Power Output.
SEND NO MONEY!
Write your name plainly as indicated below, then mail and complete kit will be forwarded to you. Just pay postman $10.00 upon delivery. Name
Address
ENGINEERS' SERVICE CO. 25 Church St. Desk X New York City
\ for
the deep tones
PLUS a
BEliMimator
COMPLETE realism in radio reproduction requires that the deep bass tones as well as the high notes be prominently brought out. Only a UX 210 (or CX 310) tube, using up to 400 volts in your last audio stage, has sufficient power to do this. To use this tube directly in your set, rewiring would be required to take care of the increased voltage. Now by merely attaching a POWERIZER and eliminating your present last tube, you can not only use this real power tube without rewiring, but eliminate "B" batteries as well.
POWERIZER operates from the lamp socket, using two power tubes — one the 210 or Super -Amplifier giving such marvelous ton" that it has come to be known as the "Tonifier", the other a UX 21o (or CX 316) rectifying tube, making the POWERIZER a heavy duty super "B" eliminator
You cannot KNOW what really perfect tone quality is until you hear POWERIZER. POWERIZER can be attached to any set in a few minutes with no technical knowledge whatever, x4.sk the nearest POWERIZER dealer to demonstrate'it to you today.
Our new descriptive leaflet, "New Tone for Old", will gladly be sent upon request. Write for it.
POWERIZER
RES
TESTED and APPROVED by ALL
Leading Laboratories
Power Amplifier and "B" Eliminator combined — at cost of good "B" Eliminator alone*
RADIO RECEPTOR n~
106 Seventh Avenue
New York
~K Examined and approved by Radio Broadcast