The Micrometer
13:58
The Steel Rule
18:23
Verniers
19:54
The HIDDEN Screws of PRECISION
16:20
How to Read Micrometers
13:03
World's Oldest Micrometer - 1776! Who made this thing??
10:37
1940s Vocational Guidance Film: The Machinist and Tool Maker - 1942 - CharlieDeanArchives
9:34
How I Made A Very Small Micrometer!
6:15