ISO 9960-1:1992

Draughting instruments with or without graduation — Part 1: Draughting scale rules ISO 9960-1:1992

Publication date:   Jul 9, 1992

Scope

Specifies the main requirements and the accuracy of draughting scale rules, and their graduations in SI units. Two types of draughting scale rules are covered: those for hand use and those for manually operated draughting machines, both for professional use only. Scale rules for use in schools are not included.