withdrawn
A Negretti & Zambra "Rigior IV" monocular microscope, English, 1920's,
with rack and pinion focusing, in mahogany case with three oculars and 1/12, 1/6 and 2/3in objectives 12in (30.5cm)
Estimate:
£300 - 400
US$ 450 - 600
€350 - 470
US$ 450 - 600
€350 - 470
Category: Collectibles / Scientific Instruments
Auction terms and conditions