object
Micrometer
A named screw-driven precision caliper for fine thickness and diameter. Not a vernier-caliper alone, not a wire-gauge, and not a published potter-calipers.
Also known as Micrometer screw gauge · Outside micrometer
object
A named screw-driven precision caliper for fine thickness and diameter. Not a vernier-caliper alone, not a wire-gauge, and not a published potter-calipers.
Also known as Micrometer screw gauge · Outside micrometer