Wide-Angle Rolleiflex

Wide-Angle Rolleiflex, c. 1965 Starting bid: € 3.000 | Estimate: € 3.500 – 3.800 Franke & Heidecke, Braunschweig. No. W 2493101, with plane plate, Zeiss Distagon 4/55 mm, no. 3461197, glass very clean under point light, Synchro-Compur 1–1/500 sec. and...

Electro-Magnetic Motor with Rotating Geissler Tube

Electro-Magnetic Motor with Rotating Geissler Tube, c. 1890 Starting bid: € 350 | Estimate: € 700 – 900 Physical demonstration model, two electro-magnets, on brass pillar, with wood and brass holder and original Geissler tube, for creating a dazzling, spinning...

Photogenic Drawing by William Henry Fox Talbot

Photogenic Drawing by William Henry Fox Talbot, 1839 Starting bid: € 1.800 | Estimate: € 7.000 – 9.000 Forerunner of the Calotype process by Talbot of London. Paper size 10.5 x 16 cm. Paper watermarked: “J. Whautm. Turkey Mill 1839.” Complete...

HMV Senior Monarch Gramophone

HMV Senior Monarch Gramophone, 1905 Starting bid: € 800 | Estimate: € 1.300 – 1.600 The Gramophone & Typewriter Ltd., London, manufactured for the French market, no. 12153. Carved oak case, four columns, with maker’s decal and “Writing...

Edmund Messter Universal Bacteria Microscope

Edmund Messter Universal Bacteria Microscope with Eyepiece Turret, c. 1895 Starting bid: € 800 | Estimate: € 1.500 – 2.000 Signed on plaque on the tube “Ed. Messter, Berlin, N.W.”, serial no. 31205, original lacquered brass, black-painted iron...