Charles Frederick Thomas papers, 1837-1923.

Open to research.

Correspondence, contracts, and a photocopied broadside of a speech relating to Thomas's work as chief machinist and supervisor of construction for the U.S. Capitol expansion and dome; patent, mechanical drawings, and clipping regarding locomotives and streetcars; and proof of citizenship (1837), will (1889), letter (1865) describing Lincoln's inauguration, and other personal items.

Mechanical engineer in the U.S. Office of the Architect of the Capitol.

Broadside speech transferred to Library of Congress Rare Book and Special Collections Division.

Drawings and photographs transferred to Library of Congress Prints and Photographs Division.

Collection material in English.

Forms part of: Miscellaneous Manuscripts collection.