File:Evans' Hopper Boy.png
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Summary
| Description |
English: A diagram of Evans' 'hopper boy' and the automated bolting process, which appeared in the Young Mill-wright and Miller's Guide. This copy from the 1834 edition. |
| Date | |
| Source | The Young Mill-wright and Miller's Guide, 1834 |
| Author | Oliver Evans |
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 100 years or fewer.  You must also include a United States public domain tag to indicate why this work is in the public domain in the United States.
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| This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. | |
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 05:03, 6 April 2014 | | 655 × 1,129 (944 KB) | Unus Multorum | User created page with UploadWizard |
File usage
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