Letter of the Postmaster General, communicating information in relation to the claims to the invention for postmarking and postage-stamp canceling, in use in the postal service..

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Bibliographic Details
Corporate author / creator:	United States. Congress. Senate. Committee on Post Offices and Post Roads.
Imprint:	Washington : [s.n.], 1871.
Description:	3 p. : digital, PDF file.
Language:	English
Series:	S.exdoc.49
Subject:	Claims. Inventions. Postal service -- Metered mail.
Format:	E-Resource U.S. Federal Government Document Book
URL for this record:	http://pi.lib.uchicago.edu/1001/cat/bib/9415516

Hidden Bibliographic Details
Varying Form of Title:	Claims to the invention for postmarking and postage-stamp canceling in use in the postal service
Other authors / contributors:	United States. Post Office Dept.
Notes:	Record is based on bibliographic data in ProQuest U.S. Serial Set Digital Collection (last viewed Dec. 2006). Reuse except for individual research requires license from ProQuest, LLC. ProQuest U.S. Serial Set Digital Collection Electronic resource. [Bethesda, Md.]: ProQuest, 2004. (ProQuest U.S. Serial Set Digital Collection : no. 1440 S.exdoc.49).

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