Mech 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 gaugeLinear 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 ComparatorAngular Measurements (Non precision instruments)-Protractors-Bevel gauge-Engineers square-Combination setAngular Measurements (Precision instruments)-Bevel protractor-Dividing head-Sine bar-Spirit level-Clinometers-Autocollimator-Taper measurementsSurface Measurements-Straightedge-Surface plate and surface gauge-Optical flat-Profilometer-Profilograph-Use of laser