- Back
-
Title: Slide rule "For facilitating the calculation of Earthworks e [Go to resource]
Description: Slide rule "For facilitating the calculation of Earthworks etc," on paper, mounted on mahogany, 14 1/2" x 3 1/8", c. 1820-30 License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: slide rule (fortifications) Temporal: 1820-1830 Source: Science Museum Identifier: 1954-299 Go to resource More Like this...
[Edit] - Back