The Steel Rule
The steel rule is the most simple and basic tool to measure length. This World War 2 era film introduces the viewer its various uses and varieties. This is part 1 of a series, known as MEASUREMENT in the METALWORKING INDUSTRY. Produced by Loucks & Norling Studios, for the Federal Security Agency and the US Office of Education - 1941 Subtitulado por Daniel Rocha - México This digital video was produced from a surviving 16mm movie print by the Museum of Our Industrial Heritage. http://industrialhistory.org
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