BS 3238-2:1964

This standard BS 3238-2:1964 Graphical symbols for components of servo-mechanisms is classified in these ICS categories:

• 25.040.40 Industrial process measurement and control
• 01.080.40 Graphical symbols for use on electrical and electronics engineering drawings, diagrams, charts and in relevant technical product documentation

Symbols for terms defined in BS 1523:Section 5. Those for circuit diagrams where all inter-connections of servo-mechanisms are given, those for block diagrams, e.g. to facilitate explanation of system.