History of the manufacturer
Martin Copeland Co. (MAR-CO); Providence, RI
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Both will display your name after an officer has activated your content, and will be displayed under «Further details ...» plus the text also in the forum.
| Name: | Martin Copeland Co. (MAR-CO); Providence, RI (USA) |
| Abbreviation: | martin-cop |
| Products: | Model types |
| Summary: |
Martin-Copeland Brand: MAR-CO Manufacturer of Vernier Dials. Martin-Copeland also made a variety of radio parts and kits. They also made on known complete set. The radio parts ads range from 1922 to 1929. Capital stock was $400,000 and they were listed as being manufacturers of jewlery. |
| Production: | 1922 - 1929 |
| History: |
Martin Copeland Co.;
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Some models:
| Country | Year | Name | 1st Tube | Notes |
|---|---|---|---|---|
| USA | 25 | Reactodyne Mar-Co | The Reactodyne Circuit By Arthur Reed (with minor edits) One of the most difficul... | |
| USA | 25 | Vernier Dial | MAR-CO Vernier Dial, clockwise or counter-clockwise action. Nickel plated : $2.50 Gold p... | |
| USA | 23 | Mar-Co Tuner Type 330-A | The diameter of the coils is 3". The overall height of the unit is 3 1/2" and the lengt... | |
| USA | 25 | Mar-Co RF Kit No.2 | Kitset of coils, tuning condensers and dials for the Reactodyne and Marcodyne Receivers. | |
| USA | 25 | Marcodyne Receiver | UV201A | 4 Tube TRF receiver. |
[rmxhdet-en]
Further details for this manufacturer by the members (rmfiorg):
Werbung in Radio News; Oktober 1925; Seite 494
Werbung in Radio News; Oktober 1925; Seite 494
Radio Broadcast, Jun. 1924, p. 181
November 1926, Popular Science Monthly page 71
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