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Battery Radios - G

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Grebe CR-8
Grebe CR-8
This one-tube radio was produced in 1921.

Rider's Schematic, courtesy of Nostalgia Air.
Grebe CR-9
Grebe CR-9
This three-tube radio was produced in 1921.

Rider's Schematic, courtesy of Nostalgia Air.
Grebe MU-2 Synchrophase
Grebe MU-2 Synchrophase
The MU-2 is the dry-cell battery version of the MU-1 Synchrophase and uses UX-199 tubes. This one is the early version, without chains ganging the three tuning condensers together, without a dial light, without connectors for 22.5 or 135 volts, and with six tubes rather than five as in the later version.

Rider's Schematic, edited for early version MU-2.
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Pre-1930 Battery Radios: A B C D E F G K M N P R S T W
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Last Updated: Friday, 21-Oct-2016 19:56:00 CDT
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