1800s Archive · Architecture & city

Field telegraphic station and heliograph instrument as used by U.S. Army, War Department exhibit, World's Fair, government building, Louisiana Purchase Exposition, St. Louis, U.S.A.

Saint Louis, Missouri · 1905

Field telegraphic station and heliograph instrument as used by U.S. Army, War Department exhibit, World's Fair, government building, Louisiana Purchase Exposition, St. Louis, U.S.A., Saint Louis, Missouri, 1905
Field telegraphic station and heliograph instrument as used by U.S. Army, War Department exhibit, World's Fair, government building, Louisiana Purchase Exposition, St. Louis, U.S.A., Saint Louis, Missouri, 1905. Architecture & city — The 1800s Archive, from the Library of Congress record.

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