History of the manufacturer
Dietzen Inc., Modells (Mail Order House); New York, NY
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: | Dietzen Inc., Modells (Mail Order House); New York, NY (USA) |
| Abbreviation: | dietzen |
| Products: | Model types Tube manufacturer |
| Summary: |
Dietzen Inc. Modells (Mail Order House) "Makers of precision instruments since 1889", Dietzen sold speakers, antennas, batteries, radio sets and parts in the 1920s. At the same address "America's Greatest Radio Mail Order House" Modells (also established 1889) can be found, advertising radios and parts, including a horn speaker, tuning condenser, variometer, variocoupler and a loop aerial (in Radio Digest, 15th December 1923 and 30th August 1924 and Radio World, November 1923 and October 1924). The exact relation between the two companies remains unclear, but Dietzen Inc. seems to be the manufacturer and Modells the outlet. |
| Founded: | 1889 |
| History: |
In 1923, Dietzen also offered the "Dietzen Vacuum Tube", a diode based on the Fleming valve. Mentioned in Tyne's "Saga of the Vacuum Tube", p.354. |
This manufacturer was suggested by Hans-Joachim Korn † 16.11.15.
| Country | Year | Name | 1st Tube | Notes |
|---|---|---|---|---|
| USA | 39 | 950 | ||
| USA | 39 | 930 | ||
| USA | 39 | 900 | ||
| USA | 39 | 914 | ||
| USA | 39 | 912 | ||
| USA | 39 | 910 | ||
| USA | 39 | 257 | ||
| USA | 39 | 38-2 | ||
| USA | 39 | 960 | ||
| USA | 39 | 920 | ||
| USA | 39 | 252 | ||
| USA | 24 | Polydyne | UV201A | 5-tube battery receiver. Two stages of tuned RF amplification, detector and two AF stages. |
Further details for this manufacturer by the members (rmfiorg):
| Data Compliance | More Information |