The Millionaire Calculating Machine

Jul 3, 2023

The Millionaire Calculating Machine, c. 1900 Starting bid: € 1.200 | Estimate: € 1.800 – 2.500 Serial no. 2052, invented by Otto Steiger, St. Gallen, Switzerland, rare calculating machine for all 4 basic arithmetic operations, based on the design of Leon Bollée...

Conto Model C Calculating Machine

Jul 3, 2023

Conto Model C Calculating Machine, 1912 Starting bid: € 900 | Estimate: € 1.500 – 2.500 Rare small stepped-drum calculator by Reinhold Pö-thig, Glashütte/Sa., serial no. 10630, with 6, 10 and 6 digits, only 8 ¼ x 6 1/2 x 4 in., working. Rechenmaschine...

Archimedes Junior Calculator

Jul 3, 2023

Archimedes Junior Calculator, 1925 Starting bid: € 900 | Estimate: € 1.500 – 2.500 Rare small stepped-drum calculator by Reinhold Pö-thig, Glashütte/Sa., serial no. 10630, with 6, 10 and 6 digits, only 8 ¼ x 6 1/2 x 4 in., working. Rechenmaschine...

Le Recta Adding Machine

Jul 3, 2023

Le Recta Adding Machine, c. 1912 Starting bid: € 280 | Estimate: € 500 – 800 Lyon, France. Three-digit column adder, dial, tens carry, lateral knurled disc for resetting, brass case. Addiermaschine “Le Recta”, um 1912 Lyon, Frankreich. Dreistelliger...

Marconi Telegrapher Time Code Watch

Jul 3, 2023

Marconi Telegrapher’s Time Code Watch, Early 20th Century Starting bid: € 900 | Estimate: € 2.400 – 3.500 Switzerland, signed Marconi Wireless Telegraph Co. Ltd., jewelled lever-movement, no. 85090, bimetallic balance, polished over-oiled spring,...