History of the manufacturer
Harp (tubes), Royal Manufacturing Co.; New York City, NY
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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: | Harp (tubes), Royal Manufacturing Co.; New York City, NY (USA) |
| Abbreviation: | harp |
| Products: | Brand |
| Summary: |
Royal Manufacturing Co. Tube brand: Harp Tube brand listed in Tyne's "Saga of the vacuum Tube" page 356. Harp tubes had tubular bulbs and in some cases, nickel plated bases. |
| Founded: | 1924 |
| History: |
This manufacturer was suggested by Fin Stewart.
[rmxhdet-en]
Further details for this manufacturer by the members (rmfiorg):
Radio News march 1925
| Data Compliance | More Information |