Arkivism
LANGLEY, SAMUEL PIERPONT. SECRETARY, SMITHSONIAN INSTITUTE. EXPERIMENTAL TANDEM BIPLANE ON POTOMAC EMBODYING LANGLEY PRINCIPLES
Public domain

LANGLEY, SAMUEL PIERPONT. SECRETARY, SMITHSONIAN INSTITUTE. EXPERIMENTAL TANDEM BIPLANE ON POTOMAC EMBODYING LANGLEY PRINCIPLES

Harris & Ewing · 1917-01-01 · photo, print, drawing

From the collection of Library of Congress. Free to download, adapt and use — no permission needed.

Subjects
glass negativessmithsonian institution
Credit lineLANGLEY, SAMUEL PIERPONT. SECRETARY, SMITHSONIAN INSTITUTE. EXPERIMENTAL TANDEM BIPLANE ON POTOMAC EMBODYING LANGLEY PRINCIPLES. 1917-01-01. Harris & Ewing. Harris & Ewing Collection, Library of Congress. Public domain.
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