Calculating dimensions for your blueprint or building plan takes valuable time. Use a scale ruler and eliminate the need for those time-consuming equations.Johnson Level manufactures their Architect?s Triangular Scale out of extruded aluminum with an anodized finish. They use a laser to etch the graduations and numbers onto the surface of the tool.Johnson designed the perfect tool for architects, engineers, and drafters. This tool uses the U.S. Standard 12-inch scale, divided as follows:
