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A non pegging mahogany cased railway block instrument, the case stamped "M R Co", 48 cm
A pegging mahogany cased railway block instrument, the case stamped "M R Co", 49 cm
A late of late 19th Century opera glasses, the barrels basse-taille enamelled
A "The Sanderson" Regular model quarter plate camera with Goertz pat Dopp-Anastigmat Serie III Dagor
A "The Sanderson" Regular model quarter plate camera with Goertz pat Dopp-Anastigmat Serie III Dagor f=125mm 1:6,8 lens in Bausch and Lomb mount
A 9 1/2 inch radius Vernier octant by F M Moore of Belfast, in brass and ebony with ivory register, cased, second quarter 19th Century
A late 19th Century ivory and "German silver" folding 24-inch ruler / sector by Preston, one face
A late 19th Century ivory and "German silver" folding 24-inch ruler / sector by Preston, one face bearing engraved calculation tables
A Bridisco miniature crystal radio
A pair of 1930s Ediswan Radio "Lightweight Headphones", in original carton
A Victorian cased set of "German silver" drawing instruments, including ivory parallel rule,
A Victorian cased set of "German silver" drawing instruments, including ivory parallel rule, protractor and sector, 19 cm x 13 cm x 3.5 cm