Archival objects in this container: Hughes microbit for testing full-size bits, approximately 1950-1959 Hughes Tool Company mechanical testing section, approximately 1950-1959 Hughes drilling laboratory, approximately 1950-1959 Rock bit testing, approximately 1950-1959 General Ira C. Eaker, the Vice President of Hughes Tool Company and Hughes Aircraft, giving an unidentified man an award, approximately 1940-1959