# IOP 1959 Episode 431

> ep. 431 of the NAM newsreel series discusses using liquids to move solids.

**Wikidata**: [Q129714675](https://www.wikidata.org/wiki/Q129714675)  
**Source**: https://4ort.xyz/entity/iop-1959-episode-431


## References

1. [Industry on Parade Film Collection](https://sova.si.edu/record/nmah.ac.0507)
2. Industry on Parade Film Collection
3. [Source](https://sova.si.edu/record/nmah.ac.0507/ref771)
4. Journal of Communication Inquiry
5. [Source](https://movingimage.nls.uk/film/1591)