LOT 123
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Estimate: £30 - £40
Seven brass mounted hardwood levels all with intact glass tubes - several by C Preston & Sons of Birmingham, the largest 18in; and a 1917 Aston & Mander boxwood slide rule with brass mounts for calculating weights, calibrated for different materials - lead, oak, cork, etc; and a Rabone rule with arched top & brass mounts. (9)
Hammer £50.00 (GBP)