History of the manufacturer
Connecticut Telephone & Electric Company (Sodion); Meriden (CT)
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| Name: | Connecticut Telephone & Electric Company (Sodion); Meriden (CT) (USA) |
| Abbreviation: | connecticu |
| Products: | Model types Tube manufacturer |
| Summary: |
Connecticut Telephone and Electric Company, Meriden, Connecticut, USA. |
| History: |
Dr.H.P.Donle was Chief engineer. He invented and developed the Sodion tube, a soft detector tube working with Sodium vapor, which was evaporated by heating from a reservoir of liquid sodium.
In 1925 Dr.Donle left Connecticut and Electric Company to establish his own company, the Donle Bristol Corporation of Meriden, Connecticut, where later sodion types were developed and manufactured. |
Some models:
| Country | Year | Name | 1st Tube | Notes |
|---|---|---|---|---|
| USA | 23 | Connecticut Receiver Sodion DR6 + D11-1 [3 tube] | Sodion_S13 | Sodion detector followed by 1- or 2-stage audio amplifier. This set consists of the... |
| USA | 22 | Wave Meter/Filter D-5 | Has a link to select series or parallel resonance. | |
| USA | 18 | Vacuum Tube Detector Set Type DT-3 | VT-1 | The Connecticut Telephone & Electric DT-3 . Made for the Signal Corps US Army in... |
| USA | 23 | Sodion DR6 [1 tube] | Sodion_S13 | Tunes approx. from 220 to 800 meters. Left hand half of the box can accept two audio ... |
| USA | 23 | Audio Amplifier D-11-1 | UV199 | Two of these amps fit into the empty space of the DR-6 box, building a complete Connect... |
| USA | 18 | Airplane Radio Telegraph Xmitter SCR-65 | The SCR-65 radio transmitter was manufactured for the United States Signal Corps - Also... | |
| USA | 22 | J-136 Vacuum tube adapter | Adapts Connecticut S-13 tube to be used in a standard UV based tube socket. | |
| USA | 22 | Sodion Detector Coupler J-129 | RF-input transformer for Sodion tubes, e.g. the S-13, employed in the DR-6 set.Low impedan... | |
| USA | 21 | Sodion JR-3 | J-117-Connecticut | The Connecticut Telephone & Electric JR-3 Receiver was designed to use the J-117 tube. The... |
| USA | 21 | Connecticut Detector Unit | J-117-Connecticut | 1921 Connecticut Telephone & Electric Detector Unit utilizing the J-117 Connecticut tube. |
| USA | 21 | Connecticut Tuning Unit | 1921 Connecticut Telephone & Electric Tuning Unit covered the 50 to 2500 meters wave lengt... | |
| USA | 22 | J-120 | UV201 | Introductory ad in QST, December 1922 |
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