Chapin Mine Steam Pump Engine - Credit: Wikimedia Commons
The Chapin Mine Steam Pump Engine, also known as The Cornish Pump, is a steam-driven pump located at the corner of Kent Street and Kimberly Avenue in Iron Mountain, Michigan, USA. It is the largest reciprocating steam-driven engine ever built in the United States. It was listed on the National Register of Historic Places in 1981, and designated a Michigan State Historic Site in 1958. Read more on Wikipedia
Source: en.wikipedia.org