Library and Archives Canada: 16mm.
"A film exploring the benefits of using aluminum in the installation of hydro power lines. A detailed look at the step by step process of running conducter lines, installing transformers, and service drop installations."
“Lines to Economy,” Alcan 16mm Film Catalogue (Montreal: Aluminum Company of Canada, Limited: c.1960), 12.
“This film was made principally for Canadian audiences and shows the North American method of installing and using secondary lines. The price relationship between copper and aluminum makes the use of aluminum for secondary lines a more and more economical proposition. The aluminum conductor is also lighter and easier to install."