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Here is the full entry for your selection:
Gilder Lehrman Document Number:
GLC02480.14
Title: to T.M. Barber
Author: Langley, Samuel Pierpont (1834-1906)
Year: 1880/06/15
Place: Alleghany, Pennsylvania
Type of document: Autograph letter signed
Description: Discusses editing a paragraph describing an observatory in Allegheny City, Pennsylvania. Addressed to Barber as Professor, Western University of Pennsylvania.
Annotation: Langley was a renowned American astrophysicist and astronomer. He made model airplanes powered by whirling arms and steam engines.
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