£1,000 - £1,500
A very rare 48" BRANANS combined gauger's boxwood dipping and logarithmic slide rule by COOK Maker To The Excise Crown Cort Soho London, the spring loaded brass joint locks the two halves together to form the gauging rod. The two separate halves, side by side, form a logarithmic slide rule (see J.O.S. 1995 vol 4 No 1 Richard Knight, Branans Rule an Undervalued Slide Rule) G++
Fees apply to the hammer price:
Room and Absentee Bids:
22% inc VAT*
Online and Autobids:
22% inc VAT*
