Sketch by W. H. Holmes of "John Crow" soaring horizontally, and sketch by Samuel P. Langley of the average typical position of wings in a soaring gull.
Cite as:
Smithsonian Institution Archives, Record Unit 74, Image No. SIA2018-110264
Repository Loc.:
Smithsonian Institution Archives Capital Gallery, Suite 3000, MRC 507; 600 Maryland Avenue, SW; Washington, DC 20024-2520
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