The Betacam commercial stock videotape is a dub of 16 mm movie film of streetcars in Louisville recorded by Dr. Howard Blackburn. Another copy, on 16 mm (U-matic) tape is also held in the Archives. The recording is silent.
Louisville Railway Company, 1940-1947 (film), 1978_114-UA. University of Louisville Archives and Special Collections. https://archivescatalog.library.louisville.edu/repositories/2/resources/975 Accessed August 10, 2020.