What and who makes a railroad operate. It's Easy When It's Alkaline

Free. Edison. Servicing and shopping of railroad car lighting and air-conditioning batteries; methods of overhauling batteries and placing in cars.
Complete catalog record
Category: Other Industries
Subcategory: Railroad Industry
Type: Motion Picture
Source: Edison
Format code: 16sd

Sources

  1. Index of Training Films 1946 — title, creator, length, format, sound, description, catalog record