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:
Padlock research, Armour Research Foundation, Illinois Institute of Technology, Chicago, Illinois, ca. 1950s
Year:
1950 to 1959
Contributors
Description
From the attached caption: "Wearing out the tumblers in padlocks is part of an investigation undertaken at Armour Research Foundation of Illinois Institute of Technology to improve the service of combination-type padlock parts. David Horwitz, associate research engineer, works on wheel that subjects tumblers to repeated rotations which can be translated into years of actual service. William… more
Abstract:
