Identify and explain the construction of vernier caliper? (General Japensen)?

A vernier caliper is a precision measuring instrument used to measure the dimensions of an object with high accuracy. It consists of two main parts: the main scale and the vernier scale.

The main scale is a long, straight ruler with markings in millimeters or inches. It is fixed in place and does not move during measurements. The vernier scale is a smaller scale that slides along the main scale and is used to measure smaller increments than the main scale.

The vernier scale has a series of markings that are slightly offset from the markings on the main scale. When the two scales are aligned, the markings on the vernier scale will line up with the markings on the main scale. The difference between the two scales is known as the vernier scale reading.

To use a vernier caliper, the jaws of the caliper are placed around the object being measured and the vernier scale is adjusted until the two scales are aligned. The measurement is then read by looking at the main scale and the vernier scale to determine the total measurement.

Overall, the construction of a vernier caliper allows for precise and accurate measurements to be taken, making it a valuable tool in various industries such as engineering, manufacturing, and scientific research.