Royal Observatory Greenwich – postcard collection
Estimated date
|
1952–57
|
Publisher
|
Photochrom Co. Ltd.
|
Publisher's title
|
Greenwich, Observatory, 24 Hour Clock
|
Nominal size
|
5.5 x 3.5 inches
|
Publisher/printer ref.
|
V4690
|
Website ref.
|
PC0291
|
| © Photochrom Co. Ltd.
|