History of the manufacturer
McIntosh Electrical Corp.; Chicago, Illinois
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| Name: | McIntosh Electrical Corp.; Chicago, Illinois (USA) |
| Abbreviation: | mcintoshel |
| Products: | Model types |
| Summary: |
The McIntosh Electrical Company was the successor to the McIntosh Battery and Optical Company. The main offices and factory was located in the McIntosh Building at 223-233 North California Avenue in Chicago, Illinois. |
| Founded: | 1879 |
| History: |
Established as the McIntosh Battery and Optical Company in 1879 the company was a pioneer in the medical high frequency apparatus field. The company branched into the radio field building a crystal detector, spark gap and a spark telegraph key for the radio amateur.
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This manufacturer was suggested by Alan Larsen.
Some models:
| Country | Year | Name | 1st Tube | Notes |
|---|---|---|---|---|
| USA | 22 | Spark Key | McIntosh Electrical Corporation Brown Marble Base Spark Key. | |
| USA | 22 | Stand alone Crystal Detector | McIntosh Electrical Corporation Marble Base Crystal Detector | |
| USA | 17 | Spark Gap | McIntosh Electrical Corporation Marble Base Spark Gap. | |
| USA | 19 | Rotary spark gap | Socle en marbre | |
| USA | 28 | Galvanodyne 5025 | 80 | This appears to be an electrotherapy device that supplies current to a patient. |
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