Results for "National Science Foundation (U.S.)"
National Academy of Sciences Meeting, Smithsonian Institution Building
- Date: April 1874
- Creator: Unknown
- Creator: Unknown
National Academy of Sciences Meeting, Smithsonian Institution Building
- Date: April 1874
- Creator: Unknown
- Creator: Unknown
Roy Clarke Using a Microbalance
- Date: c. 1960-1962
- Creator: Unknown
- Creator: Unknown
Mineralogists at Work
- Date: 1969
- Creator: Unknown
- Creator: Unknown
Smithsonian Meteorite Scientists
- Date: c. 1981
- Creator: Unknown
- Creator: Unknown
Dr. Roy S. Clarke, Jr with the Old Woman Meteorite
- Date: 1978
- Creator: Unknown
- Creator: Unknown
Grace and Roy Clarke
- Date: 1976
- Creator: Unknown
- Creator: Unknown
Roy S. Clarke, Jr., Representative John Edgar Chenoweth and Edward P. Henderson Study the F Meteorites at the NMNH
- Date: 1964
- Creator: Unknown
- Creator: Unknown
Dr. Roy S. Clarke, Jr. Monitors the Cutting of the Old Woman Meteorite
- Date: 1978
- Creator: Unknown
- Creator: Unknown
Insect Collection Is Moved
- Date: 1962
- Creator: Unknown
- Creator: Unknown
- Web Page
Jack and Nancy du P. Clarke
- Date: 1988
- Creator: Unknown
- Creator: Unknown
J.F. Gates Clarke
- Date: c. 1950
- Creator: Unknown
- Creator: Unknown
