THE COLLECTIONS OF JANET & JACK THORNTON
Wednesday, 12 - Monday, 24 November 2025
A 19thC brass monocular microscope by Charles Collins, Optician, 157 Gt. Portland St., London,
Estimate $140 - $280
Realised: $170 plus premium
Lot Details
signed on the base. Rack and pinion coarse focus, fine focus by wheel behind the barrel. Revolving wheel of various stops mounted below stage and concave mirror. No lenses. Fixed to mahogany base. H.330mm
