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Index of patents relating to electricity, embracing patents issued by U.S. Patent Office from July 1, 1886 to June 30, 1887 : Appendix No. VI.

Bibliographic Details
Corporate Author:	United States. Patent Office
Format:	Government Document eBook
Language:	English
Published:	[Washington] : GPO, 1888.
Subjects:	Magnetism. Musical instruments. Patents. Telegraph. Electronic books.
Online Access:	Connect to the full text of this electronic document

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