-40%
Hemmi No.257 "Chemical Engineer" Slide Rule. Bamboo. Duplex. 23 Scales.Very Good
$ 70.75
- Description
- Size Guide
Description
Hemmi No. 257 "Chemical Engineer" Slide Rule.Duplex.
Celluloid on bamboo.
23 Scales x 25 cm (10").
11 math scales one side and 12 chemistry scales other side.
The 257 was made from 1952 to 1968.
Date code on this rule is FG (July
1955).
Rule is in excellent condition.
Has light ivory patina.
Metal parts are clean and bright.
Slide and cursor operate very smoothly and easily.
Case is a fitted plastic bag.
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 is .50. Canada is .25.