# Film Mystery, A (Dreft Screen Ad)

Screen ad for Dreft detergent, featuring an unconvincing demonstration.

- Kind: Short
- Year: 1937
- Runtime: 1 min
- By: Unknown
- Genres: Industrial and advertising, Mystery
- Archive: [Internet Archive](https://archive.org/details/FilmMyst1937)
- Licence or status: [Public domain (Creative Commons dedication)](http://creativecommons.org/licenses/publicdomain/) (as the archive states it)
- 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/ia/FilmMyst1937?play=1)