Results for "Physics"
- SI History Chronology
Joseph Henry Endorses Hayes' Arctic Expedition
- Date: March 16, 1860
- Web Page
Watson M. Perrygo
- Date: 1946
- Creator: Unknown
- Creator: Unknown
Ostrich Family, National Museum of Natural History
- Date: c.1910
- Creator: Unknown
- Creator: Unknown
Alexander Wetmore Examining a Bird in Parita, Panama
- Date: February 29, 1948
- Creator: Perrygo, Watson M. 1906-1984
- Creator: Perrygo, Watson M. 1906-1984
Accession No. 170486 Memorandum for Sgt. Raymond L. Baker
- Date: June 6, 1945
- Creator: Bartsch, Paul
- Creator: Bartsch, Paul
Accession Memorandum for "7 Mollusca"
- Date: March 27, 1946
- Creator: Bartsch, Paul
- Creator: Bartsch, Paul
Perrygo Displaying a Frigate Bird to Children
- Date: March 16, 1948
- Creator: Wetmore, Alexander 1886-
- Creator: Wetmore, Alexander 1886-
La Honda, Panama
- Date: March 15, 1948
- Creator: Wetmore, Alexander 1886-
- Creator: Wetmore, Alexander 1886-
Watson M. Perrygo Preparing Specimens
- Date: March 27, 1948
- Creator: Wetmore, Alexander 1886-
- Creator: Wetmore, Alexander 1886-
Demetrio Saladino Watches W. M. Perrygo Wrap a Bird
- Date: February 25, 1952
- Creator: Wetmore, Alexander 1886-
- Creator: Wetmore, Alexander 1886-
Alexander Wetmore at his Work Quarters in Argentina
- Date: August 16, 1920
- Creator: Unknown
- Creator: Unknown
Alexander Wetmore Standing Next to Jeep at Rio Las Tablas, Panama
- Date: March 28, 1948
- Creator: Wetmore, Alexander 1886-
- Creator: Wetmore, Alexander 1886-
