Results for "Graf, John Enos"
John Enos Graf
- Date: c. 1930
- Creator: Unknown
- Creator: Unknown
Portrait of Watson M. Perrygo (1906-1984) and Alexander Wetmore (1886-1978)
- Date: 1939 October 1939
- Creator: Graf, J. E (John Enos) 1889-
Presentation of Roentgen X-Ray Tube to United States National Museum
- Date: 1956 August 24, 1956
- Creator: Unknown
Presentation of Roentgen X-Ray Tube to United States National Museum
- Date: 1956 August 24, 1956
- Creator: Unknown
Presentation of Roentgen X-Ray Tube to United States National Museum
- Date: 1956 August 24, 1956
- Creator: Unknown
Presentation of Roentgen X-Ray Tube to United States National Museum
- Date: 1956 August 24, 1956
- Creator: Unknown
Presentation of Roentgen X-Ray Tube to United States National Museum
- Date: 1956 August 24, 1956
- Creator: Unknown
Presentation of Roentgen X-Ray Tube to United States National Museum
- Date: 1956 August 24, 1956
- Creator: Unknown
United States Navy Galapagos Expedition, 1941 : correspondence
- Date: 1941 1941 1941
- Creator: Schmitt, Waldo L. (Waldo Lasalle), 1887-1977
SAO Staff, 1941
- Date: 1941
- Creator: Johnston, Earl S
- Creator: Johnston, Earl S
