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Draughting instruments with or without graduation -- Part 1: Draughting scale rules

Overview ISO 9960-1:1992 specifies the main requirements, accuracy and graduations for professional draughting scale rules (in SI units). It covers two types of scale rules: hand-held rules and rules…

Draughting instruments with or without graduation — Part 3: Set squares

Draughting instruments with or without graduation — Part 2: Protractors

Draughting instruments with or without graduation — Part 1: Draughting scale rules

Overview ISO 9960-1:1992 specifies the main requirements, accuracy and graduations for professional draughting scale rules (in SI units). It covers two types of scale rules: hand-held rules and rules…