Large German Lock with Key, 1757

Large German Lock with Key, 1757 Starting bid: € 450 | Estimate: € 800 – 1.200 Late baroque, wrought iron, fretted brass decoration with engraved leaf and flower motifs and signature “I.M.R. 1757”, 3 bolts, original key, dimensions 39 x 22 cm, works....

Swift Paragon Brass Binocular Microscope, c. 1890

Swift Paragon Brass Binocular Microscope, c. 1890 Starting bid: € 450 | Estimate: € 800 – 1.200 Engraved “J. Swift & Son, 81 Tottenham Court Rd., London N.W., Paragon”. Brass, semi-circular Wale limb, coarse and fine focusing, rotating stage,...

English Binocular Microscope by Collins, c. 1870

English Binocular Microscope by Collins, c. 1870 Starting bid: € 450 | Estimate: € 800 – 1.200 Engraved “Collins Optician, 157 Gt Portland Str., London”. Brass, tilting stand, coarse and fine focusing, rotating stage, double mirror, height-adjustable...

Measuring Bridge by Siemens & Halske, c. 1890

Measuring Bridge by Siemens & Halske, c. 1890 Starting bid: € 350 | Estimate: € 600 – 800 Thomson measuring bridge with sliding wire, for resistance measurement from 0,1 to 0,000001 ohms, upper part with circular plug rheostat, with 10 plugs and 2 toggle...

Messter Universal Bacteria Microscope with Eye-piece Turret, pre-1868

Messter Universal Bacteria Microscope with Eyepiece Turret, pre-1868 Starting bid: € 450 | Estimate: € 800 – 1.200 Ed. Messter, Berlin. Original lacquered brass, green-painted iron horseshoe base, triple eyepiece with 3 oculars, triple nosepiece with the...