English, c.1900, engraved 'W HARLING LONDON 531' the level on 4 screw feet, with compass in base, telescope with rack and pinion focusing, in original Fitted French polished case
English, c.1900, engraved 'W HARLING LONDON 531' the level on 4 screw feet, with compass in base, telescope with rack and pinion focusing, in original Fitted French polished case
Auction: Cameras & Scientific Instruments, 30th Apr, 2025