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- "Bulletin on the Marking of Roofs for the Purpose of Aerial Navigation," 1926-1930 - Philanthropist Daniel Guggenheim established a Fund for the Promotion of Aeronautics in 1926. The fund supported a town identification project encouraging every American community to paint its name and a north-pointing arrow on the roof of a prominent building. Recommended letter height was 12 feet -- to be plainly visible from airplanes 3,000 feet in the sky.
- 1926-1930
- Collections - Artifact
"Bulletin on the Marking of Roofs for the Purpose of Aerial Navigation," 1926-1930
Philanthropist Daniel Guggenheim established a Fund for the Promotion of Aeronautics in 1926. The fund supported a town identification project encouraging every American community to paint its name and a north-pointing arrow on the roof of a prominent building. Recommended letter height was 12 feet -- to be plainly visible from airplanes 3,000 feet in the sky.