Royal Observatory Greenwich – postcard collection
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Estimated date
2007
Publisher
National Maritime Museum
Publisher's title
The Time Ball at the Royal Observatory, Greenwich
Nominal size
6.0 x 4.0 inches
Publisher/printer ref.
Barcode 5055187037894
Website ref.
PC0742

© National Maritime Museum, Greenwich, London (Negative No. F6073-027). Published 2010.
 

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