Results for "Twitter"
left to right: Glenn Halstead Brown, George Harry Heilmeier, and James Lee Fergason
- Date: 1968 09/1968
NMAAHC Town Hall Meeting
- Date: November 16, 2005
- Creator: Hurlbert, Donald E 1954-2015
- Creator: Hurlbert, Donald E 1954-2015
Fénykövi Elephant, NHB Rotunda
- Date: 1978
- Creator: Unknown
- Creator: Unknown
Petition to Board of Regents, 11/13/1869
- Date: November 13, 1869
- Creator: Unknown
- Creator: Unknown
Presentation of Edward P. Brown Pyrometers to Museum of History and Technology
- Date: 1959 October 8, 1959
- Creator: Carl Byoir & Associates
Topiary Dinosaur on National Museum of Natural History Grounds
- Date: 1990
- Creator: Penland, Dane A
- Creator: Penland, Dane A
Roland W. Brown
- Date: 1958
- Creator: Unknown
- Creator: Unknown
William Henry Rinehart's "Sleeping Children"
- Date: c. 1930
- Creator: Unknown
- Creator: Unknown
Ellangowan Colliery, Shenandoah, Schuylkill County, Pennsylvania
- Date: 1884
Hugh Percy, Second Duke of Northumberland
- Date: May 18, 1791
William L. Brown Holding Hippo Model
- Date: 1930s
- Creator: Unknown
- Creator: Unknown
Picking Slate and Bony Coal
- Date: 1884
- Creator: Bretz, George M. 1842-1895
![Picking Slate and Bony Coal, 1884, Smithsonian Institution Archives, SIA Acc. 11-006 [MAH-2832].](https://ids.si.edu/ids/iiif/SIA-MAH-2832-000002/full/250,/0/default.jpg "Picking Slate and Bony Coal, 1884, Smithsonian Institution Archives, SIA Acc. 11-006 [MAH-2832].")