German Portable Sundial

Dec 2, 2025

Auction: 14. March 2026 German Portable Sundial, c. 1750–1780 Starting bid: € 350 | Estimate: € 700 – 900 Presumably Augsburg, original lacquered brass, compass with brass rosette and silver-plated scale, Ø 3 1/6 in., external dimensions 4 ½ x 4 ½ in.; folding...

Culpeper-Type Compound Microscope

Dec 2, 2025

Auction: 14. March 2026 Culpeper-Type Compound Microscope, c. 1800 – 1820 Starting bid: € 1.200 | Estimate: € 1.800 – 2.500 Original lacquered brass, 3 scrolled legs, separately-mounted concave mirror, rack-and-pinion coarse focusing to the tube, 1...

Nuremberg Compound Monocular Microscope

Dec 2, 2025

Auction: 14. March 2026 Nuremberg Compound Monocular Microscope, c. 1820 Starting bid: € 1.200 | Estimate: € 2.000 – 3.000 Box-type, hardwood, outer pasteboard tube with fishskin-patterned covering, drawtubes covered with paper, base signed with...

Nuremberg Culpepper Shape Microscope

Dec 1, 2025

Auction: 14. March 2026 Nuremberg Culpepper Shape Microscope, c. 1780/1800 Starting bid: € 1.200 | Estimate: € 2.000 – 3.000 Fruit wood, paper and cardboard; original condition; height 12 ½ in., 1 eyepiece (with dust cover), 1 objective lens, Bonanni spring...

Submarine Binoculars 7 X 50 by Carl Zeiss

Dec 1, 2025

Auction: 14. March 2026 Submarine Binoculars 7 X 50 by Carl Zeiss, c. 1943–1944 Starting bid: € 750 | Estimate: € 1.600 – 2.500 Marked “7 X 50 47345 blc” (with Zeiss code designation), height 8 ½ in., rubber-armoured aluminium housing, green rough...