Contributions

  • YA Pamphlet Collection (Library of Congress) - Contributor

Publication

1869 - Patent Office, [Washington, D.C, District of Columbia

Language

English

Word Count

12,000 words, Guess

Page Count

48 pages

Identifiers

Classifications

  • LCCYA 15821

Subjects

Topics

PatentsPatent officesPatents -- United StatesPatent offices -- United States

Places

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