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- Engine Room of Unknown Factory, circa 1912 - Steam powered most American factories by the late 1800s, and steam engines generated power in engine rooms like this well into the 20th century. From here, a system of belts, pulleys, and shafts conveyed the energy to factory machines.

- circa 1912
- Collections - Artifact
Engine Room of Unknown Factory, circa 1912
Steam powered most American factories by the late 1800s, and steam engines generated power in engine rooms like this well into the 20th century. From here, a system of belts, pulleys, and shafts conveyed the energy to factory machines.