History of the manufacturer
Colby's Telegraph School; Auburn, New York
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| Name: | Colby's Telegraph School; Auburn, New York (USA) |
| Abbreviation: | colby |
| Products: | Model types |
| Summary: |
Colby's Telegraph School; Auburn, New York. Colby's Telegraph School advertised various models in the early 1920's. They were a frequent advertiser in the magazine Radio News. |
| History: |
From November 1920 Radio News advertisement. Even though they were apparently a "Telegraph School" they advertised several different tuners over the early 1920's.
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This manufacturer was suggested by Alan Larsen.
Some models:
| Country | Year | Name | 1st Tube | Notes |
|---|---|---|---|---|
| USA | 21 | Regenerative Tuner | The Colby's Telegraph School Regenerative Tuner covered the 200-600 meter wavelength. It f... | |
| USA | 20/21 | Long Wave Regenerative Tuner | Colby's Telegraph School Long Wave Tuner. Wavelength Range: 2,500 to 20,000 meters | |
| USA | 14–16 | Loose Coupled Tuner | Colby's Telegraph School loose coupler. This coupler originally sold for $10.00... | |
| USA | 16/17 | Slide Tuner | ||
| USA | 17 | 15,000 Meter Loading Inductance | 15,000 Meter Loading Inductance in quartered oak case with 9 taps. | |
| USA | 17 | Undamped Tuner | Big Undamped Tuner, 20 taps on primary, 14 on secondary, brings in German Long Wave sta... | |
| USA | 24 | Radio Frequency Broadcast Receiver | UV201A | Colby Radio Frequency Broadcast Receiver |
| USA | 17 | Navy Type Loose Coupler Receiving Transformer | The second Colby patent in 1914 improved on the first Colby tuning coil patent refini... | |
| USA | 16 | Navy Loose Coupler | Colby's Telegraph School Navy Loose Coupler |
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