TOOLS
A boxwood scale rule
Details
A boxwood scale rule
with inch and twenty-seven various scales and central protractor markings, marked on the degree lines THOMAS OLIVER -- 20 3/8 in. (51.5 cm.) long
with inch and twenty-seven various scales and central protractor markings, marked on the degree lines THOMAS OLIVER -- 20 3/8 in. (51.5 cm.) long