Machinist's Straight EdgeUSA, c. 1920A precision crafted machinist's straight edge made of patinated and perforated cast steel.DimensionsW 98.5" D 3.75" H 12"OriginUSAPeriodIndustrialCircac. 1920Manufacture year1920sREF No.12015.001Price$8,500MoreTearsheetShareAvailableWarehouse