Ebony Parallel Rule
Date1800-1840s
DimensionsOverall: 76.2 cm
Credit LineTransfer from the London and Middlesex Historical Society, 1958
Object number1958.001.199
Label TextLand surveyor Mahlon Burwell (1783-1846) owned this parallel ruler. A provincial government employee, he laid out roads and townships throughout southwestern Ontario. London was one of them.
NameRuler, Parallel
c. 1880-1910
c. 1950s
c. 1900
Early 20th Century