File:Houghton EC75.So883.785t - figures 2.jpg
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Summary
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English: Illustration from A treatise upon aerostatic machines: containing rules for calculating their powers of ascension, 1785, by John Southern. Full scan of book: EC75.So883.785t, Houghton Library, Harvard University |
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EC75.So883.785t, Houghton Library, Harvard University
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| Author | John Southern (author) | |||||||||||||||||||||||
| Permission (Reusing this file) |
This is a media file that Houghton Library believes to be in the public domain of the United States. This applies to a work published before January 1, 1923, or the unpublished work of an author who died more than 70 years ago. Houghton Library and Harvard University claim no rights in this photographic reproduction of the work, and the image is free to download and reproduce for any use, commercial or non-commercial, without any further permission required. We request that where these media files are used, the Houghton Library is credited as the source of the materials. Please include this citation: "EC75.So883.785t, Houghton Library, Harvard University" as its source. In the event that any of the media files infringes your rights or the rights of any third parties, or file is not properly identified or acknowledged, we would like to hear from you so we may make any necessary alterations. In this event, please contact: Houghton_Library@harvard.edu. See also: File:Houghton EC75.So883.785t - figures.jpg |
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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. | |
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| current | 15:13, 4 November 2014 | | 1,377 × 893 (425 KB) | Rob at Houghton (talk | contribs) | User created page with UploadWizard |
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