Thunder In The Skies (2 Reel)

Details the changes in building construction and energy usage which occurred when the climate of Europe changed dramatically in the 13th century. Shows how the scarcity of firewood contributed to the invention of the steam engine, which was the predecessor of gasoline-powered engines.

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Sources

  1. 16mm Filmography (legacy record) — title, creator, format, sound, genre, description, catalog record