Results for "Physics"
Engine House, Pottsville, Pennsylvania
- Date: 1884
- Creator: Bretz, George M. 1842-1895
Group of Miners at Long Valley Mine, Barclay, Bradford County, Pennsylvania
- Date: 1884
Staff, International Exchange Service, 1891
- Date: 1891
- Creator: Unknown
- Creator: Unknown
Letter from Secretary Samuel P. Langley to Solomon Brown, 11/25/1892
- Date: November 25, 1892
- Creator: S.P. Langley
- Creator: S.P. Langley
Staff, International Exchange Service, 1891
- Date: 1891
- Creator: Unknown
- Creator: Unknown
Portrait of Solomon G. Brown
- Date: c. 1850
- Creator: Unknown
- Creator: Unknown
Interior View of Kohinoor Mine, Shenandoah, Pennsylvania
- Date: 1884
- Creator: Bretz, George M. 1842-1895
Interior View of Kohinoor Mine, Shenandoah, Pennsylvania
- Date: 1884
- Creator: Bretz, George M. 1842-1895
Interior View of Kohinoor Mine, Shenandoah, Pennsylvania
- Date: 1884
- Creator: Bretz, George M. 1842-1895
Meeting of Geologists, 1902
- Date: 1902
- Creator: Unknown
- Creator: Unknown
Interior View of Kohinoor Mine, Shenandoah, Pennsylvania
- Date: 1884
- Creator: Bretz, George M. 1842-1895
Hayden Survey Party
- Date: 1872
- Creator: Jackson, William Henry 1843-1942
![Hayden Survey Party, 1872, Smithsonian Institution Archives, SIA RU007177 [SIA2018-111380].](https://ids.si.edu/ids/iiif/SIA-SIA2018-111380/full/250,/0/default.jpg "Hayden Survey Party, 1872, Smithsonian Institution Archives, SIA RU007177 [SIA2018-111380].")