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Creators:
Adler, Charles, Jr., 1899-1980 (engineer, inventor)
Dates:
1899 - 1980
Size:
6 Cubic feet (15 boxes)
Collection ID:
NMAH.AC.0351
Repository:
Archives Center, National Museum of American History

The collection contains correspondence, news clippings, photographs, patents, and printed materials documenting the inventive career of Charles Adler, Jr. Adler is best known for his development of the first traffic actuated signal light in 1928.