|1916 protractor scale from A. Edgell & Co.
|J.Rabone & Sons folding rule from England
|Rowney & Co. protractor scale from England
|Handmade figured maple & mahogany triangle with dumbell-shaped dovetail joints.
Boxwood perforation gauge, a stamp collecting tool.
This is an actual promotional give-away printed on heavy paper, simulating a brass-fitted folding rule with an 1889 calendar on the flip side.
:: All of these fine wooden drafting tools are from the Sheaff Ephemera Archives