Wheels and Rails
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Shows the evolution of the railroad wheel and the rail; how wheels work on curves; the use of the bearing; and the make-up of the roadbed. Working models demonstrate brakes. Stresses the importance of the diesel electric engine in our economy and how scientific methods and research maintain the railroad industry.
Sources
- Catalog of Classroom Teaching Films for Georgia Schools, No. 10 (Georgia Department of Education) — title, creator, length, description
Record added 2026-09-11 00:55:39