Bevel protractors (mechanical and optical). Requirements and test methods has-tracked-changes Mains parts

Mains parts

human-computer interface functions

Contents of BS ISO 17386:

Annex A (informative) List of participating laboratories

Bevel protractors (mechanical and optical). Requirements and test methods has-tracked-changes Mains partsBS 1685: 2008 Bevel protractors (mechanical and optical). Requirements and test methods BS 1685: 2008 relates to the following types of bevel protractors: a) Mechanical Type A. With vernier graduated to read to five minutes of arc, and with slow motion device, and acute angle attachment Type B. With vernier graduated to read to five minutes of arc, but without slow motion device or acute angle attachment Type C. With scale graduated in degrees,