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.RADIO BROADCAST ADVERTISER.
ROBERT S. KRUSE
Consultant and Technical Writer
103 Meadowbrook Road, West Hartford, Conn. Telephone Hartford 45327
ANTIQUES
by
Sarah M. Lock wood
Comprehensive, clear and handy, Antiques will solve your problem of getting the right furniture for the early American home.
Illustrated with 250 drawings $3.50
DOUBLEDAY, DORAN
QUALITY
PRODUCTS
Build Your 1929 Receiver with Approved Parts
A Complete Selection of Audio and Power Parts and Units
No.
994 Power Amplifier Transformer $12.00
either
No. 2189 Push-Pull Output
Transformer _____ 12.00
with
No. 2142 Push-Pull Input Transformer
No
No
THIS year a new combination of Power and Tone Reality is available to the average radio owner at somewhat less cost than heretofore possible. This big new market of owners is attained by the introduction of the new UX-245 Tube and the accompanying Dongan Power Parts, all designed to coordinate with the remarkable tube.
Set Manufacturers and Custom Builders are invited to use the services of the Dongan Laboratories in planning their production. Prices quoted on request.
3107 Straight Output Transformer
with
2158 Audio Transformer
Two Secondary Windings (for either No. 2189 or No. 3107), one for Magnetic type and the other for Dynamic type Speaker.
D-946 Standard Condenser Unit
This Condenser Unit is also designed especially for use with No. 994 Transformer for Power Amplification.
No. 5554 Double Choke, use in Filter Circuit _______
These Dongan Parts are available now. Equip your receiver with this new amplifier — and enjoy still another of Radio's greatest advancements.
For Push-Pull Radio and Phonograph Amplifier 2124 Transformer
4.50
12.00
4.50
22.50
11.00
No.
6.00
Send 'check or money order for immediate delivery. Complete information on request.
DONGAN ELECTRIC MANUFACTURING CO.
2991-3001 Franklin Street Detroit
Order your copy of Radio Broadcast from your news dealer or radio store. Make sure that he reserves a copy for you each month. If your favorite radio store does not stock the magazine write us giving name of radio dealer and address.
{for ANY Tube D.C.orA.C.
AMPERITE automatic filament control increases tube efficiency and lengthens tube life. SI, 10 with mounting (in U. S. A.)
•^K&iatt Qompctttvf
50TRANKLTN ST., "NEW YORK
FREE New "Amperita Blue Book' ' of latest radio information and circuit diagrams.
Write Deft. RB-7
She "SELF-ADJUSTING" Rheostat
Just Off the Press
A NEW
Catalog
Send for it today for complete listings of Radio Convenience Outlets, Conn ector Plugs, Rheostats, Fixed and Grid Resistances, Jacks, Jack Switches, Phone Plugs, etc.
YAXLEY MFG. CO.
Dept. B, 9 So. Clinton St., Chicago, 111.
• JULY • 1 929 •
• 17 9