Patent Office, Washington DC, USA, c1900. Creator: Unknown.

Patent Office, Washington DC, USA, c1900. Creator: Unknown.

2-697-024 - The Print Collector/Heritage Images

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Patent Office, Washington DC, USA, c1900. The Old Patent Office, designed by Robert Mills and built 1836-1840, later became part of the Smithsonian Institution. From Scenic Marvels of the New World edited by Prof. Geo.R. Cromwell. [C.N.Greig & Co., c1900]

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