Slide Rule - Proportion, Percentage, Squares And Square Roots
Loucks And Norling Studios
Industrial and advertising
Clips are not offered for this film: no licence or public-domain mark is recorded for it.
Parts
About
Shows how to use the slide rule to calculate squares, square roots, proportions and percentages.
This film can be purchased on DVD and higher quality versions of the film can be purchased for stock footage purposes. Contact footage@avgeeks.com for more information
- Archive
- Internet Archive, in Ephemeral films
- Licence or status
- The Internet Archive states none for this item.
- Credit
- Loucks And Norling Studios
- Who can watch
- The archive gives no rating. Invisible Network shows it to Tweens profiles and older, judged from its collection and subjects. How films are placed