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