Photostory #29: Canada's Peaceful Atom Aids Science, Medicine
National Film Board of Canada
October 4, 1955
Canadian Museum of Contemporary Photography fonds, National Gallery of Canada Library and Archives
Canadian manufacturers are making wide use of isotopes in the testing of welds, castings and chemicals. This worker in a large Toronto paper mill, is operating the 'batameter', a machine which uses radioactive thallium to regulate the weight and thickness of paper.