Proportional compass made by W. F. Stanley, Great Turnstile, London (old English pattern) Proportional compass made by W. F. Stanley 1876
'Whole and Halves' proportional compass by William Ford Stanley, Great Turnstile, London, England, 1876. 'Whole and Halves' proportional compass by William Ford Stanley 1876
Proportional compass by Joseph Jackson, London, 2nd quarter 18th century, brass with steel tips, in original fishskin case Proportional compass by Joseph Jackson 1735-1760
Pair of proportional compasses, brass c. 1680 Pair of proportional compasses, brass c. 1680 1678-1682
Proportional compass with turn down points, made by W. F. Stanley, Great Turnstile, London Proportional compass with turn down points 1876