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File:Roots Rotary Pressure Blowers Cover of Feb 28 1880 Scientific American.jpg

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Roots_Rotary_Pressure_Blowers_Cover_of_Feb_28_1880_Scientific_American.jpg (215 × 305 pixels, file size: 32 KB, MIME type: image/jpeg)

Summary

Description
English: 'The Manufacture of Rotary Pressure Blowers - Works of P.H. & F.M. Roots, Connersville, Ind.' Cover of February 28, 1880 Scientific American. (for Roots Blower Company)
Date
Source

Original publication: Scientific American

Immediate: Dresser Roots 2011 catalog, p. 2
Author Unknown authorUnknown author

Licensing

Public domain
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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Note: This tag should not be used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:Roots_Rotary_Pressure_Blowers_Cover_of_Feb_28_1880_Scientific_American.jpg

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28 February 1880Gregorian

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current19:28, 1 April 2012Thumbnail for version as of 19:28, 1 April 2012215 × 305 (32 KB)Chiswick ChapUploading a non-free file using File Upload Wizard

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