STEEL RULE
Sign in to track this film in your collection or want list.
Discusses the variations found in steel rules, the types of scales found on them and their proper usage, and the procedure for transferring measurements by means of calipers and dividers. From the MACHINE SHOP WORK series.
Sources
- usgov-av-1974 — title, year, creator, length, color, sound, description
Record added 2026-07-02 18:37:16