Details
A late 18th-Century boxwood Gunter scale rule,
stamped Made by I. Springer BRISTOL. Improved by B. Donne Senr -- 24in. (61cm.) long; another Gunter rule, unsigned -- 18in. (45.7cm.) long; a boxwood slide rule with brass mounts, unsigned -- 24in. (61cm.) long; a CAPT. FIELDS IMPROVED boxwood and brass roller rule; and a vernier caliper by Troughton & Simms, in plush-lined leatherette case -- 61/8in. (15.5cm.) wide (5)
stamped Made by I. Springer BRISTOL. Improved by B. Donne Senr -- 24in. (61cm.) long; another Gunter rule, unsigned -- 18in. (45.7cm.) long; a boxwood slide rule with brass mounts, unsigned -- 24in. (61cm.) long; a CAPT. FIELDS IMPROVED boxwood and brass roller rule; and a vernier caliper by Troughton & Simms, in plush-lined leatherette case -- 61/8in. (15.5cm.) wide (5)
Literature
Clifton records Joshua Springer working 1759-1809, various addresses in Bristol; no note of B. Donne Senr.
Special notice
No VAT will be charged on the hammer price, but VAT at 17.5% will be added to the buyer's premium which is invoiced on a VAT inclusive basis.