Black and white photographs. One of John Wilson, a teacher, operating a radio. On the wall there is a VK3BF banner and maps of Australia and of Victoria. The photo is undated but is referred to in Scott's history of Collingwood Technical School 'Coltech' and probably dates in the 1970s. The second photo is of members of the 1971 Amateur Radio Club of Collingwood Technical College Also Amateur Radio Club Membership Certificates for 1971 and 1981There is also a paragraph taken from Scott's history which records the development of the Club.collingwood technical school, radio station, vk3bf, nmit