Description Mechanical Engineering Measurement and Metrology

The following mechanical measuring instruments are explained with theory and images.
Linear Measurements (Non precision instruments)
-Steel Rule
-Calipers
-Inside caliper
-Outside caliper
-Spring caliper
-Hermaphrodite caliper
-Transfer caliper
-Dividers
-Telescopic gauge
-Depth gauge
Linear Measurements (Precision instruments)
-Micrometer
-External micrometer
-Inside micrometer
-Vernier micrometer
-Screw thread micrometer
-Depth micrometer
-Vernier caliper
-Vernier height gauge
-Slip gauges
-Comparators
-Mechanical Comparator
-Mechanical-Optical Comparator
-Electrical Comparators
-Pneumatic Comparator
Angular Measurements (Non precision instruments)
-Protractors
-Bevel gauge
-Engineers square
-Combination set
Angular Measurements (Precision instruments)
-Bevel protractor
-Dividing head
-Sine bar
-Spirit level
-Clinometers
-Autocollimator
-Taper measurements
Surface Measurements
-Straightedge
-Surface plate and surface gauge
-Optical flat
-Profilometer
-Profilograph
-Use of laser