The Micrometer

Описание: From the series: MEASUREMENT in the METAL WORKING INDUSTRY
(Loucks & Norling Studios - 1941)
The micrometer endures as a critical instrument of
measurement in industry and engineering.

This film provides an excellent introduction on the
description and proper use of this important tool.

This is our own digital video created directly from a surviving 16mm movie print.
Museum of Our Industrial Heritage http://industrialhistory.org