# Carborundum

An informational film about the production of silicon carbide, a synthetic mineral.

- Kind: Short
- Year: 1919
- Runtime: 10 min
- By: Unknown (director) / Goldwyn Films (producer)
- Genres: War, History, Propaganda
- Archive: [Open Images (Netherlands Institute for Sound and Vision)](https://www.openbeelden.nl/media/687139)
- Licence or status: [Public Domain Mark 1.0](https://creativecommons.org/publicdomain/mark/1.0/) (as the archive states it)
- Credit: Unknown (director) / Goldwyn Films (producer)
- Who can watch: Teens profiles and older (the archive gives no rating; placed by Invisible Network from its collection and subjects)

[Watch now](https://invisiblenetwork.ai/watch/archive/openbeelden/687139?play=1)