Refine your search
Sale Section
Remove filter- Calculating, Drawing & Surveying (7)
Estimate
Category
Remove filter- Tools (7)
Filtered by:
- Sale Section,
- Category,
- Item Type
- List
- Grid
A subscription to the Price Guide is required to view results for auctions ten days or older. Click here for more information
An Impressive Scale Rule by Steven Norris Cooper, English, dated 1836, brass-bound boxwood with 22 scales, stamped 'S Cooper fecit Miller st Shude...
A Patent Slide Rule by R F Agnew, English, dated 1913, in boxwood, for the cloth trade with both metric and imperial scales for length and weight,...
Anderson's Improved Slide Rule, English, c. 1910, mahogany with celluloid scales and celluloid fixed cursors attached to the slide, British patent...
A Rare Nautical Slide Rule by Halden & Co, English, c. 1900, in boxwood, entitled 'Scale of Power & Speed for Proposed Vessels on Measured Mile Tr...
Two Early Ship's Navigation Slide Rules, slide rule versions of Gunter's scale, both 18th century, boxwood with brass ends, one English, one Dutc...
A Major General Hannyngton’s Extended Slide Rule, English c. 1890, large grid-iron model, in boxwood and nickel-silver in mahogany case, by Aston ...
A Fine Naval Gunter’s Rule with Gunner's Scales , c. 1810, English, in heavy gauge brass, by Matthew Berge, signed ‘Berge London’, finely divided ...
Loading...