A Chest Microscope
Nairne & Blunt, c. 1770
Signed on the cruciform stage Nairne & Blunt London, the body tube with graduated nose piece, the square pillar with screw rod focussing and graduation lines, swing arm mirror, on compass joint built into orange velvet lined fitted case, with accessories including ivory slides
11in. (28cm.) long
A Chest Microscope
Nairne & Blunt, c. 1770
Signed on the cruciform stage Nairne & Blunt London, the body tube with graduated nose piece, the square pillar with screw rod focussing and graduation lines, swing arm mirror, on compass joint built into orange velvet lined fitted case, with accessories including ivory slides
11in. (28cm.) long