Cylindrical phonograph record in tube box with lid, one of ten, Edison Blue Amberol Record.23081, c.1915. 'The Butterfly' (Theo. Bendix) concertina Cylindrical phonograph records, 1912 and 1914. Sound Reproduction c.1915
Watkins bee meter. White metal with tin or chrome plating. Watkins bee meter Photographic Technology c.1913
Untitled black and white photograph, Russian Imperial Royal Family Photographs September - December 1909