These technician trainees (Earl Hensel, left, and Richard Kriska) are testing the grain structure of a steel sample in this photo. | Creator: Jerry Horton | Date: November 10, 1961 | Source: Cleveland Press Collection, Michael Schwartz Library Special Collections at Cleveland State UniversityDownload Original File
Creator
Jerry Horton
Source
Cleveland Press Collection, Michael Schwartz Library Special Collections at Cleveland State University