Systems Concepts At Duquesne Light Company

Shows the total capabilities of Hewitt-Robins in designing and building a conveying system. Describes the problems of finding and mining new ore supplies and shows the Hewitt-Robins system in action.

Related films

Sources

  1. A-V Online (National Information Center for Educational Media). CD-ROM database of educational and documentary media, compiled and maintained by the National Information Center for Educational Media (NICEM). — title, year, creator, length, format, sound, description
  2. 16mm Filmography (legacy record) — catalog record