£200
A 2' two fold fully bound boxwood and German silver Engineer's slide rule with protractor hinge by J.TREE Maker London and Arranged by Rt. Hawthorn Civil Engineer Newcastle, two pins missing o/w F Michael Taylor collection
Fees apply to the hammer price:
Room and Absentee Bids:
22% inc VAT*
Online and Autobids:
22% inc VAT*
