More Usable Heat Per Pound Of Coal.
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Copyright
© Westinghouse Electric & Manufacturing Company; 19Mar45; MP335.
Complete catalog record
MORE USABLE HEAT PER POUND OF COAL. Westinghouse Electric & Manufacturing Company, c1945. 2 reels, sd. © Westinghouse Electric & Manufacturing Company; 19Mar45; MP335.
Sources
- 16mm Filmography (legacy record) — title, year, length, catalog record, copyright
Original permalink · Record added 2024-09-10 00:35:59