Back . The Curta. An estimated 150,000 examples of both the Curta Type I and subsequent Type II calculators were produced from 1948 to 1972. A stepped gear type calculator capable of the four functions, and more using special techniques. To those who are familiar with old mechanical calculating equipment, the name brings to mind thoughts of high precision machining, extreme mechanical design, and, to those who've been lucky enough to use one, the wonderful feel of the mechanism in operation. Shipping to 98052: Items in search results. Made in Liechtenstein 1948 - 1972. During that time, many believed the Curta to be the best mechanical calculator on the market. 25 For the uninitiated, the Curta is a mechanical calculator designed around the time of World War II. Related: mechanical calculator curta calculator type ii curta mechanical calculator slide rule curta calculator type 1 curta calculator type 2 adding machine. more Format ... 69 results for curta calculator Save this search. Curta Calculator - System Curt Herzstark. Interest in Curta calculators has skyrocketed in the past several years.
By then, pocket electronic calculators were selling for under $100 and a precision mechanical instrument like the Curta could no longer compete. Curta Type II Handheld Mechanical Calculator. Make Offer - CURTA 1963 Vintage Mechanical Calculator Type I Serial No 55632 Metal Case Vtg sugar refractometer Curtis Systems optical viewer Holland Bleeker C $19.54 Refine. LAMINATED 32x24 inches Poster: Curta Mechanical Calculator Liechtenstein Mechanic Handcranked Cranked Calculation Calculate Machine Number Crank Mathematics Device Handle Lever Metal Old Antique $20.25 $ 20 . Curta Mechanical Calculator Type I with case System Curt Herzstark Contina AG Mauren Liechtenstein . The Curta II is slightly larger than the original Curta. Unlike modern electronic calculators, the Curta was entirely mechanical. The last Curta was made in November, 1970 but they were still sold until early 1973.

Are there different Curta models? The Curta Calculator simulation is a 3D re-creation of the original portable mechanical calculator, invented by Curt Herzstark. Curta Type I.. 52 mm diameter x 105 mm high (2" x 4"). The astounding Curta is very famous, and deservedly so, for its extremely compact and pleasing design, as well as its fascinating history.

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