Important Topic of Physics: Screw Gauge

the caliper meant for measuring the width of a slot is   Dan the legend of musashi slot

CALIPER RULE

What is a micrometre screw gauge used for? The micrometre screw gauge allows for even more precise measurements than the Vernier callipers On the micrometre The vernier caliper is the most economical of the three and has lines engraved along the beam every 025 of an inch with every fourth graduation

slot pintu besi Vernier calliper is defined as a measuring device that is used for measuring linear dimensions and dimensions such as inner and outer This vernier caliper is used for measuring narrow space, a distance of holes of I bolt, etc