Instruments used to measure dimensions

This post contains a small list of devices used in measuring dimension.

They are ,

  1. Steel rules
  2. Vernier calipers
  3. Micrometers
  4. Dial gauge indicator
  5. Gauge blocks
  6. Optical methods (Microscopes, telescopes and optical flats with a monochromatic source of light)
  7. Pneumatic comparators.