File:1886-01-12 Brevet A-C-KREBS FR173487=Collecteur à deux balais pour machines électriques multipôlaires.pdf

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Original file ‎(1,239 × 1,750 pixels, file size: 554 KB, MIME type: application/pdf, 6 pages)

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1886-01-12 Patent A. C. KREBS FR173487: "Two-brush collector for multipolar electric machines."

Summary

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Description
Français : 1886-01-12 Brevet A. C. KREBS FR173487 : "Collecteur à deux balais pour machines électriques multipôlaires."
English: 1886-01-12 Patent A. C. KREBS FR173487: "Two-brush collector for multipolar electric machines."
Date
Source Own work
Author Rbmn

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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.

This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights.

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current14:24, 11 May 2022Thumbnail for version as of 14:24, 11 May 20221,239 × 1,750, 6 pages (554 KB)Rbmn (talk | contribs)Uploaded own work with UploadWizard

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