428
Item nr.
Power supply for battery radio
| Production | The Netherlands, 1970 (??). |
|---|---|
| Semi- conductors | Two bridge rectifiers. |
| Cabinet | Wood. Size 18x12x8cm. |
| Power | AC 220V. |
| Documents | Schema. |
Radio's in the nineteen twenties worked on batteries, and you needed several: a 4V battery for the heaters, and a 90V battery for the plates. This small unit, nicely (home) constructed in a wood box, could replace these two batteries by power from the AC mains.
| Obtained | 2/2016 from Klaas. |
|---|---|
| Condition | 8. |
| Disposed | Sold 5/2020. |
