Bituminous coal [Motion Picture] ([n.p.] Eastman Kodak Co., 1928)
Eastman classroom films.
SUMMARY: Describes the Pittsburgh area as the source of bituminous coal; shows interior views of a mine; discusses the use of coal for steam; and explains how coke and various by-products are made from coal. With subtitles.
With teacher's guide.
Keywords: Bituminous coal; Coal -- Pennsylvania