Name: | Radio Apparatus Co.; Pottstown, PA (USA) |
Abbreviation: | radioappa4 |
Products: | Model types Tube manufacturer |
Summary: |
Advertised in a December 1916 issue of QST magazine was a full line of amateur equipment. This company also had an ad for a "Metallic Enclosed Rectifying Detector" in the April 1914 Modern Electrics and Mechanics magazine. |
History: |
This manufacturer was suggested by Alan Larsen.
Country | Year | Name | 1st Tube | Notes |
---|---|---|---|---|
USA | 19 | Traco 5A | Breadboard. | |
USA | 19 | Traco 5C | Breadboard. | |
USA | 17–22 | Electron Detector Model No. 36 [(Navy Type)] | T_deForest | The Radio Apparatus Company Model No. 36 Electron Detector. For 1917 it was mentioned in a... |
USA | 15 | Radio Duplex Rotary Discharge Rotary Spark Gap | Radio Duplex Rotary Discharger rotary spark gap. The frequency was variable from 310 to 72... | |
USA | 17 | Modern Receiving Transformer Model No. 50 [(Navy Type)] | The Radio Apparatus Company Model No. 50 Navy Type Receiving Transformer. | |
USA | 17–22 | Undamped Wave Set Type 93 | The Radio Apparatus Company Type 93 Undamped wave set was already mentioned in an add for ... | |
USA | 14 | Metallic Enclosed Rectifying Detector | The Radio Apparatus Company Metallic Enclosed Rectifying Detector with shorting switch. | |
USA | 14 | Loose Coupler | The Radio Apparatus Co. Inductive Tuner. This loose coupler is equipped with a 10 point se... | |
USA | 14 | Varitone Rotary Spark Gap | The Radio Apparatus Co. Varitone Rotary Spark Gap. Converted a coarse pitch spark into a 5... | |
USA | 19 | Traco Navy Type Receiving Transformer Type 5A | Loose Coupler | |
USA | 19 | Traco Navy Receiving Transformer Model 5C | ||
USA | 17–20 | Long Wave Tuner Type 94 | Wavelength receiving range 300 to 18,000 meters. |
Further details for this manufacturer by the members (rmfiorg):
Data Compliance | More Information |