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The Behemoth Allis Engine | by Frank C. Grace (Trig Photography)
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The Behemoth Allis Engine

This thing is MASSIVE! Located in Boston's Waterworks Museum.


"Allis is a 5-story, self-contained steam engine that was the most thermally efficient pump of its era. Installed in 1898, Alllis was also 30 percent more fuel efficient than any other steam engine of its era.


The parts were manufactured in Milwaukee and sent to Boston via train, where they were assembled in the open air while an extension to the Waterworks building was constructed around it–brick by brick.


Apart from two giant flywheels that had to be hand-started by workmen with crowbars, Allis practically ran itself. It required nothing more than periodic oiling. Workers spent the rest of their time as they liked, and they often liked to polish and tend to Allis. The engine’s relatively pristine condition today gives evidence to the care lavished upon it at the time."



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Taken on March 9, 2012