Augustus Siebe 1788-1872 pioneer of the diving helmet lived and worked here

Spudgun67 on Wikimedia Commons
Spudgun67 on Wikimedia Commons
Simon Harriyott on Flickr
Mike Quinn on Geograph
Spudgun67 on Flickr
Spudgun67 on Wikimedia Commons
Simon Harriyott on Flickr

5 Denmark Street, Camden, WC2, London
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by English Heritage in 2000

Colour: blue

Wikimedia:

Flickr: