30-Note Piano Melodico Orchestrion, c. 1900

30-Note Piano Melodico Orchestrion, c. 1900 Starting bid: € 1.800 | Estimate: € 2.500 – 3.000 Invented by Giovanni Racca, Bologna, and manufactured under license in Germany by Wilhelm Späthe, Gera, for 10 7/10in. wide folding cardboard books, hand-turned...

Arithmometer Hugo Bunzel, Vienna, c. 1902

Arithmometer Hugo Bunzel, Vienna, c. 1902 Starting bid: € 1.200 | Estimate: € 2.000 – 3.000 No. 1169, engraved “H. Bunzel, Wien I, Rothenthurmhof”, spoked-wheel calculating machine for all four arithmetical operations, mahogany case, 6 input sliders,...

Ernst Plank “Kinematofor” with Hot-Air Motor, 1898

Ernst Plank “Kinematofor” with Hot-Air Motor, 1898 Starting bid: € 1.600 | Estimate: € 2.500 – 3.500 No. 355, Nuremberg, extremely rare tin praxinoscope driven by hot-air engine, overall good original condition, missing chimney and belts, with 5...

Precursor of the Torpedo Viewfinder, 1930–31

Precursor of the Torpedo Viewfinder, 1930–31 Starting bid: € 2.800 | Estimate: € 4.000 – 8.000 Leitz, Wetzlar. With two diagonal lines serving as crosshairs instead of the customary field frames, attachable 90-degree angle viewfinder showing the usually reversed...