£50 - £80
An unusual 18" boxwood double slide rule by ASTON & MANDER with Scott's Patent Slide Rule for Calculating Weights of Material, produced for The Mercantile Dry dock Co. Jarrow-upon-Tyne, some stains o/w G+
Fees apply to the hammer price:
Room and Absentee Bids:
22% inc VAT*
Online and Autobids:
22% inc VAT*
