Royal Observatory Greenwich – postcard collection
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Estimated date
193435
Publisher
Anonymous: attributed to Royal Observatory, Greenwich
Publisher's title
Yapp Reflector (Aperture 36 inches) (Royal Observatory, Greenwich)
Nominal size
5.5 x 3.5 inches (real photograph)
Publisher/printer ref.
4
Website ref.
PC0413
Links
Other versions of the same image

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