English but retailed in Yokohama, Japan, c.1890, engraved 'COCKING & Co, YOYOHAMA' of typical form in heavy guage brass, with single swing arm, engraved scale and verier, finished in lacquered and oxidized brass, in a velvet lined French polished mahogany case, case width 28cm

Footnote: Samuel Cocking (b.19 March 1845 in Camberwell London – d. 26 February 1914 in Yokohama, Japan) was a merchant in Yokohama arriving in 1869, shortly after the “Opening of Japan”. His company, “Cocking & Co” specialized in trading Japanese curios, art and antiques as well as importing chemicals, drugs, scientific and laboratory apparatus.

He is credited for introducing soap, bicycles, the electric lightbulb to Japan. He was also heavily involved in the fledgling photographic industry in Japan, importing photographic materials and chemicals and organizing the first photographic society in Japan. He also helped the foundation of Konishi Honten, a photographic store that would become Konica