c.1900-1930, circular 9" (22.6cm diameter) in lacquered brass, one semi-cirular 6" in laquered gunmetal, both divided to half a degree, both in mahogany cases
Sold for £88
Result plus buyers premium
c.1900-1930, circular 9" (22.6cm diameter) in lacquered brass, one semi-cirular 6" in laquered gunmetal, both divided to half a degree, both in mahogany cases
Auction: The Collectors Sale, 23rd Feb, 2022