# Black Holes of Gravity

Shows how to cut and print a two-color design. Includes details of transferring the design, cutting, proofing, correcting, registering for color and printing the blocks by 3 simple methods.

- Kind: Educational
- Year: 1973
- Runtime: 29 min
- By: British Broadcasting Corporation. Television Service
- Genres: Education, Space, Industrial and advertising
- Archive: [Internet Archive](https://archive.org/details/blackholesofgravity)
- 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/blackholesofgravity?play=1)