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Need Model Number Silvertone Neutrodyne 5-tube 1920s radio

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Posted 3 years ago

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Robert_A
(1 item)

I need a schematic and owners manual (if available) for a Silvertone Neutrodyne 1920s 5-tube battery radio.

I NEED THE MODEL NUMBER of this radio to order a schematic –
I cannot find the model number on the radio.

My radio has five Silvertone 201-A tubes.

I can send photos if you give me your e-mail address.
The radio is in truly excellent condition from an appearance standpoint.

FRONT PANEL CONTROLS:
Three large knobs, marked Tuning Dial 1, Tuning Dial 2 and Tuning Dial 3 – each marked with an ark 180 degrees over the top of each knob, with numbers 0 to 100.
These large tuning knobs all rotate large air variable tuning capacitors.

At the lower left is a small knob marked Control 3, which turns a rheostat,
At the upper right is a small knob labeled Control 2 which turns a rheostat,
And the lower right is a small double knob labeled Control 1, which turns a rheostat – there is a smaller knob inside the larger one

THE WHITE PAPER LABEL INSIDE, ON THE BACK WALL
At the left side of the label is a diagram showing Aerial and Ground connections on the chassis
At the center of the label, it shows three batteries in a row: “A” battery 6 volts, “B” Battery 45 volts and “B” Battery 45 volts
It shows color coded wiring from the batteries to terminals on the chassis, which are labeled from left to right: A Battery, A Battery, B Battery + 45 V
and B Battery + 90V

The Neutrodyne label reads: Licensed by Independent Radio Manufacturers Inc.
U.S. Pat Off Pat March 27, 1923, April 1, 1924 and April 14, 1925 Other patents pending

(at the far right of the label) it says Wiring Diagram for Silvertone Neutrodyne
(at right it shows the wiring) To Loudspeaker

METAL PLATE ON THE CHASSIS:
Licensed
Independent Radio Manufacturers Inc.
Pat Mar. 27, 1923, April 1, 1924 & April 14, 1925
Hazeltine Pats No 1450080, 1489228 and 1533858
Other Pats Pending
Made Exclusively For
Sears Roebuck & Co
Serial No B7108

If you cannot identify this radio, can you recommend someone I should contact for the Model Number ?

Thanks a million

Bob Haynes

Unsolved Mystery

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Comments

  1. Gary1902, 3 years ago
    thoses tubes come in long pins and shot pins i know that much about the tubes and thats all lol...my raido has the same tubes all the tubes do is boost the wave sounds, the way it was told to me ..see them on ebay all the time..
  2. Gary1902, 3 years ago
    you might try oldradiodoc@snet.net ...i am waiting to hear back from him myself
  3. Bobber57 Bobber57, 2 years ago
    It is a Silvertone IV (4).
    http://www.radiomuseum.org/r/sears_roeb_silvertone_neutrodyne_model_iv.html

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