Displaying 1 - 4 of 4
Marvin Camras, ca. 1950
Year:
1947 to 1953
Contributors
Description
Photograph of Chicago native and Illinois tech alumnus Marvin Camras, who created an innovative magnetic recording head during his undergraduate years that improved sound quality by impressing a recording symmetrically on a wire by the gap of air between the wire and the head. His research led to developments that underlie many modern recording and communication techniques. Photographer unknown.… more
Abstract:
Marvin Camras, ca. 1950s
Year:
1950 to 1959
Contributors
Description
Photograph of Chicago native and Illinois tech alumnus Marvin Camras, who created an innovative magnetic recording head during his undergraduate years that improved sound quality by impressing a recording symmetrically on a wire by the gap of air between the wire and the head. His research led to developments that underlie many modern recording and communication techniques. Photographer unknown.… more
Abstract:
Marvin Camras, ca. 1990
Year:
1990 to 1995
Contributors
DeGrane, Lloyd, 1948-
Description
Photograph of Chicago native and Illinois tech alumnus Marvin Camras, who created an innovative magnetic recording head during his undergraduate years that improved sound quality by impressing a recording symmetrically on a wire by the gap of air between the wire and the head. His research led to developments that underlie many modern recording and communication techniques. Date of photograph is… more
Abstract:
Armour Research Foundation clay grinding machine, Illinois Institute of Technology, Chicago, Illinois, ca. 1950s
Year:
1950 to 1959
Contributors
Description
From the attached press release: "Brainstorming by engineering economists at Armour Research Foundation of Illinois Institute of Technology uncovered methods of grafting clay raw material to reduce particle size of limestone and eliminate surface popping, or "spelling." This machine is used in a spooner's plant to mix clay and water, remove air from mixture, and extrude clay… more
Abstract:
