-40%
Hemmi No. 251 'Mechanical Engineer' Slide Rule. Duplex. Bamboo. 19 Scales. Fine.
Hemmi No. 251 'Mechanical Engineer' Slide Rule. Duplex. Bamboo. 19 Scales. Fine.
Hemmi No. 251 'Mechanical Engineer' Slide Rule. Duplex. Bamboo. 19 Scales. Fine.
Hemmi No. 251 'Mechanical Engineer' Slide Rule. Duplex. Bamboo. 19 Scales. Fine.
Hemmi No. 251 'Mechanical Engineer' Slide Rule. Duplex. Bamboo. 19 Scales. Fine.
Hemmi No. 251 'Mechanical Engineer' Slide Rule. Duplex. Bamboo. 19 Scales. Fine.
Hemmi No. 251 'Mechanical Engineer' Slide Rule. Duplex. Bamboo. 19 Scales. Fine.
Hemmi No. 251 'Mechanical Engineer' Slide Rule. Duplex. Bamboo. 19 Scales. Fine.

Hemmi No. 251 'Mechanical Engineer' Slide Rule. Duplex. Bamboo. 19 Scales. Fine.

$ 25.34

Availability: 100 in stock
  • Country/Region of Manufacture: Japan
  • Refund will be given as: Money Back
  • Item must be returned within: 14 Days
  • Restocking Fee: No
  • All returns accepted: Returns Accepted
  • Return shipping will be paid by: Buyer
  • Condition: Rule is in excellent condition. No blemishes. Hemmi slip cap cardboard case is excellent.

    Description

    Hemmi No. 251 'Mechanical Engineer' Slide Rule.
    Celluloid on bamboo.
    Duplex.
    19 scales x 25 cm, including DI, 3 log log.
    The first version of the 251 was made from 1951 to 1958.
    This is the 2nd version, made from 1958 to end of production in 1975.
    It has the positions of the DI and LL scales switched.
    It has date code RK (November 1960).
    Rule is in excellent condition. No blemishes. Clean and white.
    Metal parts are clean and bright.
    Slide and cursor move smoothly and easily.
    Hemmi slip cap cardboard case is excellent.
    Manual in Japanese is excellent.
    Payment is due via PayPal within 3 days after end of auction.
    Buyer pays .70 shipping to USA address via First Class Mail Package.
    Shipping to Europe or Australia is .50. Canada is .25.