Here is 50 Measuring instruments for mechanical engineer. Every Mechanical Engineering student or employ should know about this.
Vernier caliper and Micrometer both are widely used in industries for daily quality control. Both are simple to use and easy for measurement.
Interferometers are used in many fields of science and engineering. They are called interferometers because they work by merging two or more sources of light to create an interference pattern, which can be measured and analyzed.