A late 19th Century illustration of the historic Old Patent Office Building in Washington, , USA. Designed in the Greek Revival style by architect Robert Mills, construction started in 1836, and completed in 1867. United States patent law required inventors to submit scale models of their inventions, which were retained by the Patent Office. Once home to many early government departments, today the structure houses two museums of the Smithsonian Institution, the Smithsonian American Art Museum and the National Portrait Gallery.


A late 19th Century illustration of the historic Old Patent Office Building in Washington, , USA. Designed in the Greek Revival style by architect Robert Mills, construction started in 1836, and the massive structure took 31 years to complete. United States patent law required inventors to submit scale models of their inventions, which were retained by the Patent Office and required housing. Once home to many early government departments, including the first exhibits of the Smithsonian, today the structure houses two museums of the Smithsonian Institution, the Smithsonian American Art Museum and the National Portrait Gallery.


Size: 4666px × 3390px
Location: Washington, , USA.
Photo credit: © De Luan / Alamy / Afripics
License: Licensed
Model Released: No

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