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85/1693 Mechanical calculator and case, Curta Type II, No. 542485, metal / plastic, Contina A G, Mauren, Liechtenstein, c 1960. Click to enlarge.

Curta Type II mechanical calculator

Made
Curt Herzstark designed the Curta hand-powered mechanical calculator while interned in a concentration camp, and production began in Liechtenstein in 1947. A beautifully engineered design classic, it has 605 parts. To enter the first number, the knobs are slid up or down to move horizontal gears into position. Then the crank is turned to enter the second number. The crank turns a stepped drum so it engages with the gears to add, subtract, multiply or divide the two numbers. This Type II Curta was made around 1960.

Debbie Rudder

Summary

Object No.

85/1693

Object Statement

Mechanical calculator and case, Curta Type II, No. 542485, metal / plastic, Contina A G, Mauren, Liechtenstein, c 1960

Physical Description

Mechanical calculator and case, Curta Type II, No. 542485, metal / plastic, Contina A G, Mauren, Liechtenstein, c 1960

Cylindrical black metal calculator with 11 positions for numbers on side, an 8 digit revolution counter on top and a 15 digit result counter. Operating handle located on top.

Black Bakelite cylindrical case with screw top lid.

Dimensions

Height

125 mm

Production

Source

Credit Line

Purchased 1985

Acquisition Date

29 August 1985

Cite this Object

Harvard

Curta Type II mechanical calculator 2021, Museum of Applied Arts & Sciences, accessed 24 February 2021, <https://ma.as/35509>

Wikipedia

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