Image: Munn & Co. patent offices headquarters in Washington, next to the United States Patent Office
Munn_&_Co._patent_offices_headquarters_in_Washington,_next_to_the_United_States_Patent_Office.jpg (483 × 286 pixels, file size: 29 KB, MIME type: image/jpeg)
Description: Munn & Co. patent offices headquarters in Washington, next to the United States Patent Office
Title: Munn & Co. patent offices headquarters in Washington, next to the United States Patent Office
Credit: Scientific American, 1859
Author: Scientific American magazine
Usage Terms: Public domain
License: Public domain
Attribution Required?: No
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