Science & Technology, Photographica & Film
Catalog Information: 889 lots with images
Viewing Notes:
21st November 4pm to 7pm (CET), Reception/Buffet: 6pm to 8pm. 22nd November 8am to 9am. More viewing opportunities by appointment.
Lot 1: "The BriCal" and "Stephenson Adder" Calculator
"The BriCal" and "Stephenson Adder" 1) "The British Calculator", c. 1905. Rare English adder for British currency calculations. With pen and box! - Literature: Martin, p. 174. - And: 2) "Stephenson Adder", 1910. American twin-disc pocket adder by [...more]
Lot 2: "Calculator Eclair" Calculating Disc -
"Calculator Eclair" French calculating disc by Suresnes. 8 in. diameter. - Unusual and decorative collector's item. "Calculateur Eclair" Französische Rechenscheibe von Suresnes, 20 cm Durchmesser, mit seltenem Aufstellbügel! - Sehr ungewöhnliches [...more]
Lot 3: "Mercedes-Euklid Mod. 1" 1905 Calculating
"Mercedes-Euklid Mod. 1", 1905 First model of this early calculating machine for all 4 arithmetical operations with proportional levers.- Very interesting collector's item! Mercedes-Euklid Mod. 1, 1905 Vierspeziesmaschine mit Proportionalhebeln vo [...more]
Lot 4: "Hannovera" 1921 Calculating Machine
"Hannovera", 1921 Rare German spokewheel calculating machine with long 20-digits arithmetic unit. - Literature: Martin, S. 338. - Good condition! "Hannovera", 1921 Seltenere deutsche Sprossenradmaschine mit 20-stelligem Einstellwerk und 20- bzw. [...more]
Lot 5: "Quixsum Fractional Adding Machine Mod. C"
"Quixsum Fractional Adding Machine Mod. C", 1924 Large manual adder with 4 calculating discs ("Fractions", "Inches", "Feet" and "Hundreds") and tens transfer. Size: 16 x 6 in. US-Patent: June 10, 1924. Manufacturer: Precision Adding Machine Co., In [...more]
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