# Verniers

Verniers Search Educational Film Journals at Media History Project for references to this film SummaryUses animation to tell the principles of the Vernier scale and its application to precision measuring instruments. Tells how to use and read Vernier micrometers and calipers. Dr. Hadley Cantril discusses his investigations at the Perception Demonstration Center at Princeton University of the effects of some of our assumptions on what we see. Shows a distorted room that looks normal, with illustrations that include a rotating trapezoid that appears to oscillate, balloons that seem to move when in reality they are being inflated and deflateilluminated and darkened.

- Kind: Educational
- Year: 1941
- Runtime: 18 min
- By: United States. Office of Education, Loucks and Norling Studios
- Genres: Education, Industrial and advertising
- Archive: [Internet Archive](https://archive.org/details/verniers)
- Licence or status: none stated by the archive
- Who can watch: Kids profiles and older (the archive gives no rating; placed by Invisible Network from its collection and subjects)

[Watch now](https://invisiblenetwork.ai/watch/archive/ia/verniers?play=1)