Advertisement for Sikes's Hydrometer, 19th century.

Sikes hydrometer, 1870-1930.

Sikes hydrometer, 1870-1930.

A selection of hydrometers, c 1870.

Anatomical syringe, all-brass, with three nozzles, a stop-cock and a spanner, in wooden case, by Evans of London, 19th century.

Kaleidoscope, Brewster's patent, silver plated brass, painted/shellaced tube covering, by Philip Carpenter, Birmingham, England, c.1820

Sand glass, 19th century.

Deserter marker, 1810-1850.

Scarificator and lancets, 19th century.

Swan casket portrait, c 1862.

Swan casket portrait, c 1862.

Dental anaesthetic syringe, cased, with accessories, 1907-1920.