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834
RADIO BROADCAST ADVERTISER
No. 135
NEW!
f]f Jewell continues to lead in the development of new radio instruments. Every set owner should send for circular No. 776 describing our new line of 2-inch instruments for radio sets.
J]f Save your tubes : —
^ Watch your batteries: —
Use a Jewell High Resistance
Voltmeter.
J]f The leading radio engineers and amateurs prefer Jewell Radio Instruments. Broadcasting stations all over the world use them.
As\ your dealer for a Jewell 15 S Radio Catalogue '
Jewell Electrical Instrument Co.
1650 Walnut St., Chicago, U. S. A. 26 Years Making Good Instruments
The Red Stripe A Radio Guide Line
For your protection, throughout the center of every Dilecto radio panel is a Red Stripe. You can see it along the edge of every panel.
If you buy or build a set look for the Red Stripe — and you'll be sure of the finest, strongest radio panel that can be made. Dilecto is a Phenolic condensation material.
THE CONTINENTAL FIBRE COMPANY
Factory: Newark, Delaware
Service on Dilecto, Conite, Cantex and Vulcanized Fibre from: New York, 250 Parti Ave. Chicago, Wrigley Bldg.
San Francisco, 75 Fremont St. Los Angeles, 307 S. Hill St.
Seattle, 1041 Sixth Ave., South Pittsburgh, Farmers Bank Bldg.
ki HILCO
Five HILCO Condensers, installed in 18 minutes, will make a 3-tube circuit equal a 5-tube reflex — and then some I
But don't expect it from any other make. It takes the dynamo tested, watch built HILCO thus to clear frequency paths, stop battery clack and make low-loss a verity. You never knew a fixed condenser like it— yet HILCO Condensers cost no more than makeshifts.
Reliable dealers and jobbers will get HILCO Condensers for you from
AEML^ATLANTA
-fc Tested and approved
by Radio Broadcast