Royal Observatory Greenwich – postcard collection
Estimated date
|
1952–57
|
Publisher
|
A.H. Barkway, Plumstead
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Publisher's title
|
24-hour Observatory Clock Greenwich Park S.E.
|
Nominal size
|
5.5 x 3.5 inches (real photograph)
|
Publisher/printer ref.
|
340
|
Website ref.
|
PC0290
|
| © A. H. Barkway.
|