Add to ORKGPhotograph of a man in laboratory running some tests. Photo taken for the Oklahoma Testing Laboratories Acct., Jan. 1950
Photograph of a laboratory. Photo taken for the Oklahoma Testing Laboratories Acct., Jan. 1951
Photograph of laboratory equipment. Photo taken for the Oklahoma Testing Laboratories Acct., May 19...
Photograph of laboratory equipment. Photo taken for the Oklahoma Testing Laboratories Acct., May 19...
Photograph of a man in laboratory running some tests. Photo taken for the Oklahoma Testing Laborato...
Photograph of a man in a laboratory. Photo taken for the Oklahoma Testing Laboratories Acct., Jan. ...
Photograph of a man in a laboratory. Photo taken for the Oklahoma Testing Laboratories Acct., Jan. ...
Photograph of a man in a laboratory. Photo taken for the Oklahoma Testing Laboratories Acct., Jan. ...
Photograph of a man in a laboratory. Photo taken for the Oklahoma Testing Laboratories Acct., Jan. ...
Photograph of a man in a laboratory. Photo taken for the Oklahoma Testing Laboratories Acct., Jan. ...
Photograph of a man in a laboratory. Photo taken for the Oklahoma Testing Laboratories Acct., Jan. ...
Photograph of a man in the testing laboratory. Photo by Meyers Photo Shop for the Oklahoma Testing L...
Photograph of a man in the testing laboratory. Photo by Meyers Photo Shop for the Oklahoma Testing L...
Photograph of a man in the testing laboratory. Photo by Meyers Photo Shop for the Oklahoma Testing L...
Photograph of a man in the testing laboratory. Photo by Meyers Photo Shop for the Oklahoma Testing L...
Photograph of a laboratory. Photo taken for the Oklahoma Testing Laboratories Acct., Jan. 1951
Photograph of a laboratory. Photo taken for the Oklahoma Testing Laboratories Acct., Jan. 1951
Photograph of laboratory equipment. Photo taken for the Oklahoma Testing Laboratories Acct., May 19...
Photograph of laboratory equipment. Photo taken for the Oklahoma Testing Laboratories Acct., May 19...
Photograph of a man in laboratory running some tests. Photo taken for the Oklahoma Testing Laborato...
Photograph of a man in a laboratory. Photo taken for the Oklahoma Testing Laboratories Acct., Jan. ...
Photograph of a man in a laboratory. Photo taken for the Oklahoma Testing Laboratories Acct., Jan. ...
Photograph of a man in a laboratory. Photo taken for the Oklahoma Testing Laboratories Acct., Jan. ...
Photograph of a man in a laboratory. Photo taken for the Oklahoma Testing Laboratories Acct., Jan. ...
Photograph of a man in a laboratory. Photo taken for the Oklahoma Testing Laboratories Acct., Jan. ...
Photograph of a man in a laboratory. Photo taken for the Oklahoma Testing Laboratories Acct., Jan. ...
Photograph of a man in the testing laboratory. Photo by Meyers Photo Shop for the Oklahoma Testing L...
Photograph of a man in the testing laboratory. Photo by Meyers Photo Shop for the Oklahoma Testing L...
Photograph of a man in the testing laboratory. Photo by Meyers Photo Shop for the Oklahoma Testing L...
Photograph of a man in the testing laboratory. Photo by Meyers Photo Shop for the Oklahoma Testing L...
Photograph of a laboratory. Photo taken for the Oklahoma Testing Laboratories Acct., Jan. 1951
Photograph of a laboratory. Photo taken for the Oklahoma Testing Laboratories Acct., Jan. 1951
Photograph of laboratory equipment. Photo taken for the Oklahoma Testing Laboratories Acct., May 19...
Photograph of laboratory equipment. Photo taken for the Oklahoma Testing Laboratories Acct., May 19...