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Summary
| Description |
English: Fig 1- The images shows billard ball made from celluloid
Fig 2 - Cross section of billard balls Fig 3 - Injection moulding apparatus Fig 4 - Front view of injection moulding apparatus |
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| Author | John Wesley Hyatt |
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Licensing
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This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 70 years or fewer. This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929. |
| This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. | |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 09:52, 12 December 2016 | | 2,816 × 2,023 (143 KB) | Thatonewikiguy | User created page with UploadWizard |
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