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  • Thatcher Calculator

    Lot: 127
    Sold for: $1,020$850

    Thatcher Calculator, patented by Edwin Thatcher, November 1881, Keuffel & Esser, New York, model 4012, no. 2134, with inner cylinder and outer scales, on mahogany base, wd. 22 1/2 in., in a ...

  • Thatcher's Calculating Instrument

    Lot: 443
    Sold for: $1,100$1,100

    Thatcher's Calculating Instrument, patd. by Edwin Thatcher November 1st. 1881, no. 1740, serial no. 773, with inner sliding cylinder, outer rotating "envelope" with printed scales divided by W.F. ...

  • Thatcher's Calculating Instrument

    Lot: 51
    Sold for: $1,293$1,100

    Thatcher's Calculating Instrument, by Keuffel & Esser Co., New York, No. 4012, Serial No. 5343, patd. by Edwin Thatcher 1881, with inner sliding tube and outer paper-covered tables, on mahogany base ...

  • Thatcher's Calculating Instrument

    Lot: 1
    Sold for: $940$800

    Thatcher's Calculating Instrument, by Keuffel & Esser Co., New York, No. 4012 / 4142, patd. by Edwin Thatcher 1881, with outer paper-covered scales on revolving brass rings, and 19-inch sliding ...

  • Thatcher's Calculating Instrument by Keuffel & Esser Co.

    Lot: 506
    Sold for: $823$700

    Thatcher's Calculating Instrument by Keuffel & Esser Co., New York, No. 4012, Serial No. 4722, with inner sliding cylinder and outer twenty-bar rotating "envelope" with printed scales, on mahogany ...

  • Thatcher's Calculating Instrument by Keuffel & Esser Co.

    Lot: 1228
    Unsold  

    Thatcher's Calculating Instrument by Keuffel & Esser Co., New York, patd. by Edwin Thatcher 1881, with rotating paper-covered inner cylinder and outer scales, on mahogany base with printed ...

  • Thatcher's Calculating Instrument by Keuffel & Esser Co.

    Lot: 1229
    Sold for: $705$600

    Thatcher's Calculating Instrument by Keuffel & Esser Co., New York, No. 4012, 1472, Patd. by Edwin Thatcher, C.E. Nov 1st. 1881, and Divided by W. F. Stanley, London, 1882, with outer ...