STEEL RULE (SPANISH)

Duration: 14 min

Year Published: 1941

Creator: Office of Education (Department of Health, Education, and Welfare)

Color: B&W

Sound: Optical sound

Description: 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.