The file consists of negatives and corresponding contact sheets produced in approximately the mid 1980s for a Journalism brochure.

1 Packard-Bell Transistor Radio Demonstrator 6RT4-B. Electronic Kits Supply Company Los Angeles California. Distributed in Canada by Perry School Supplies Limited.

This file contains 1 catalogue, C-58, February 1948.

File contains :
F 858-1.1 : Electrical Fundamentals / War Department, 1941. -
F 858-1.2 : Electronics Today And Tomorrow / John Mills, 1944.
F 858-1.3 Radiotron Characteristics Manual / Canadian Marconi Company, 1949. -
F 858-1.4 : FM Transmission And Reception, 1948. -
F 858-1.5 : Timing Circuits / Naval Training School (Radar) M.I.T., 1951. -
F 858-1.6 : Basic Theory And Application Of Transistors / Department of the Army, 1959. -
F 858-1.7 : Allied Electronics Data Handbook / Allied Radio Corporation, 1960.

Fonds includes radio and television transmitter manuals, class notes and exams, and lecture transcripts.

John Twomey, Chairman, RTA, appointed "Ryerson Member" of CJRT-FM Inc. Board in 1976 to replace J.R. Gorman. File contains J. Twomey's copies of the agendas/minutes and related documentation for the Board of Directors, Executive Committee, Finance Committee, and Third Donor Members Meetings.

This file contains a report prepard by John Twomey, Project Director for Canadian Broadcasting History Research Project.

Fonds consists of reports, meeting minutes and other CJRT executive records, clippings, moving images, and photographs accumulated or created by Twomey during his tenure at Ryerson.

Fonds contains textual, graphic, audio and video records related to CJRU 1280AM radio station.