| A Vintage QSL Card Collection |
| G5GS W. Grieve |
Great Britain | Catalogue
Number 8 |
Date
of card
|
 |
The
transmitter is given as "1 valve using 12 volts on Ford
Coil" Could this be part valve part spark? (Spark
transmissions were forbidden in 1923. (World at their fingertips, P97))
|
||
|
|
|||
| Index | Home | ||