Camera obscura Christie's - London Auction, Travel, Science and Natural History, 25 April 2012, Sale 4828, Lot 69
Owned by Nevil Story Maskelyne (1823-1911).
Reflex model, the mahogany body of dovetail construction, with hinged lid, lens in wooden mount and 'push-pull' focusing front section, signed JONES Artist LONDON ; BY HIS MAJESTY'S SPECIAL APPOINTMENT No. 4, Wells Street Oxford Street.
12½in. (32cm.) long
