An instrument used to measure dimensions of a bullet or shell casing is

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A caliper is the instrument used to measure the dimensions of a bullet or shell casing. A caliper can measure thickness, diameter, and length accurately. A comparison microscope is used to examine and compare two objects side by side, while a compound microscope is used to see small details of a specimen. A compass is a tool used to draw circles or arcs, and a protractor measures angles.

An Instrument Used to Measure Dimensions of a Bullet or Shell