Results for "Smithsonian Institution. Environmental Sciences Program"
Centennial Exposition of 1876, Philadelphia
- Date: 1876 1876 (copied 1982)
- Creator: Unknown
Members of the Advisory Committee of scientists directing arrangements for the National Geographic Society - U.S. Army Air Force Stratosphere Flight
- Date: 1934
Philadelphia Centennial Exhibits
- Date: 1876
- Creator: Unknown
- Creator: Unknown
Daniel Coit Gilman
- Date: c. 1870s
- Creator: Unknown
- Creator: Unknown
The Washington Armory Building
- Date: c. 1880
- Creator: Unknown
- Creator: Unknown
Stephen C. Brown
- Date: November 14, 1892
- Creator: Shoemaker, Coates Walton
- Creator: Shoemaker, Coates Walton
Slater Spinning Frame
- Date: Unknown, probably 1950s
- Creator: Unknown
- Creator: Unknown
Sesquicentennial Exposition, Philadelphia, 1926
- Date: 1926
- Creator: Unknown
Sesquicentennial Exposition, Philadelphia, 1926
- Date: 1926
- Creator: Unknown
Sesquicentennial Exposition, Philadelphia, 1926
- Date: 1926
- Creator: Unknown
Sesquicentennial Exposition, Philadelphia, 1926
- Date: 1926
- Creator: Unknown
Sesquicentennial Exposition, Philadelphia, 1926
- Date: 1926
- Creator: Unknown
