Ancient Web: Coolspring Documented a 25-Ton Otto Engine One

Coolspring Power Museum's Otto 175 hp feature documents a 25-ton single-cylinder natural-gas engine, its 20-ton Deane pump, Brookville Water Works history, specifications, and museum reconstruction.

https://switchboardtechservices.com/articles/ancient-web-coolspring-documented-a-25-ton-otto-engine-one-page-at-a-time/

By Switchboard Tech Services · Originally published 2026-05-19

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