Cordys

A 6-inch ivory three-bar parallel rule

Estimate: $120 - $180


Lot Description

A 6-inch ivory three-bar parallel rule, marked 'Banks, 441 Strand London', with pierced brass hinges, (Robert Banks traded at 440 Strand (1795-1804), 441 Strand (1805-30), instrument maker to the Prince of Wales; signed as both Banks and Bancks).