Folding square with quadrant arc
Parallel rule and protractor with index arm
1865-1875
Protractor and parallel rule combined
1740-1750
Isograph
1876
Semi-circular protractor
Elliptic trammel by W.F. Stanley, London, 1876.
1876
Patent Stanley drawing pricker
1876
Drawing Set
1840-1890
6 1/2-inch Stanley drawing pen
1876
6 1/2-inch Stanley drawing pen
Drawing instrument by George Adams
1765
Thornton Drawing Instruments
1880-1890
Protractor scale
1876
Brass Helicograph, for drawing spirals
1850-1853
Agate drawing tracer
1876
Pricker, with 4 3/4-inch needle point
1876
Steel drawing tracer
1876
Metograph, in mahogany case
1850-1851
Drawing instrument in case
Box of set squares, protractors and french curves
Drawing instruments in small leather case
Part of Drawing Instrument
Twenty-seven mixed brass and copper stencils for numbers and letters by W.F. Stanley
1900-1910
Semicircular glass protractor
1851-1875
Extension arm for compasses and drawing pens
Brass protractor
1857
Protractor, semi-circular, by Watkins and Hill; diameter about 6 1/2"
Circular brass protractor, 1818-1856
1818-1856
Helicograph by W.F. Stanley, London, 1876.
1876
Verner's military sketching instrument
Circular protractor, 1765-1770
1765-1770
Semicircular brass protractor by William Wilton
1825-1859
Centrograph with 2 triangular weights by W.F. Stanley
1876
Cymograph and Antigraph made by Stanley
1876