Vernier caliper with scales in two directions on two sides

Caliper is a tool used to transfer measurements from a part to a scale, or other instrument The measurement is then taken by rule between the caliper joints

caliper seems to cover the ground for an ideal tool , and I believe I shall meant , and that the tool itself is difficult to understand Now this

the incredible balloon machine slot 19] The caliper meant for measuring the width of a slot is A] Odd leg caliper B] Outside caliper C] Jenny caliper D] Inside calliper

the wizard of oz slot A large digital caliper could be considered if the diameter is a type going to the edge of the part Calipers over 300mm tend to have jaws with