Nombre: | Royalfone, Royal Electrical Laboratories; Newark, NJ (USA) |
Abreviatura: | royalfone |
Productos: | Fabricante de válvulas |
Resumen: |
Royal Electrical Laboratories Manufacturer of tubes under the ROYALFONE brand. This tube brand listed on page 361 of Tyne's "Saga of the Vacuum Tube", as founded in 1926. One tube and box have been located. Whether this company is related to Royal Blue Tube Laboratories also listed as being in Newark at the same date is not known. |
Producción: | 1926 - |
Historia: |
Este fabricante fue propuesto por Roy Johnson.
Cumplimiento de datos | Más información |