text x n.p.] Eastman Kodak Co. 1928 monographic 0 e

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p. 16 min., si., b&w, 16 mm. 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. n-us-pa Bituminous coal Coal Pennsylvania 8610 20251012174329.0 0000006523