File:McFerran rotary tablet press 1874.png

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English: Joseph A. McFerran - 'Improvement in pill-machines' - US patent No 152,666
Date
Source US patent No 152,666.
Author Joseph A. McFerran

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Public domain

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.

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current18:26, 5 February 2019Thumbnail for version as of 18:26, 5 February 20191,147 × 916 (228 KB)Dantiras (talk | contribs){{Information |description ={{en|1=Joseph A. McFerran - 'Improvement in pill-machines' - US patent No 152,666}} |date =1874-06-18 |source =[https://patents.google.com/patent/US152666A/en US patent No 152,666.] |author =Joseph A. McFerran }} Category:Rotary presses (tablets) Category:Patents

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