Estimated date |
1947–51 |
Publisher |
J. Salmon Ltd., Sevenoaks |
Publisher's title |
24 Hour Magnetic Clock, Greenwich |
Nominal size |
5.5 x 3.5 inches (real photograph) |
Publisher/printer ref. |
18712 |
Website ref. |
PC0288 |
Links |
Other versions of the same image |
© J. Salmon Ltd. |
© 2014 – 2024 Graham Dolan
Except where indicated, all text and images are the copyright of Graham Dolan