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SS Badger Carferry
Society: ASME Main Category: Mechanical Sub Category: Water Transportation Era: 1950-1959 DateCreated: 1952 Lake Michigan Ludington State: MI Zip: 49431 Country: USA Website: http://www.asme.org/about-asme/history/landmarks/topics-m-z/water-transportation/-191-ss-badger-carferry-%281952%29 Creator: Christy Corporation, Skinner Engine Company

The two 3,500-hp steeple compound Unaflow steam engines powering the S.S. Badger represent one of the last types of reciprocating marine steam engines. Built by the Skinner Engine Company, most Unaflow engines are single expansion. These feature tandem high- and low-pressure cylinders separated by a common head. The Badger's four Foster-Wheeler Type D marine boilers, which supply 470-psig steam to the engines, are among the last coal-fired marine boilers built. 

YearAdded:
1996
Image Credit: Courtesy Flickr/ssbadger (CC BY 2.0) Image Caption: SS Badger Carferry Era_date_from: 1952
Cruquius Pumping Station
Society: ASME Main Category: Mechanical Sub Category: Pumping Era: 1840-1849 DateCreated: 1849 Cruquiusdijk 27
Haarlemmermeer State: Zip: Country: Netherlands Website: http://www.asme.org/about-asme/history/landmarks/topics-m-z/pumping/-153-cruquius-pumping-station-%281849%29 Creator: Cruquius, Nicolaus Samuel , Beijerinck, Jan Anne

This is one of three nearly identical pumping stations that drained the Haarlemmermeer (Haarlem Lake), 1849- 52, then continued to maintain the polder's water table for more than 80 years. The Haarlemmermeer area covers 45,000 acres (about 70 square miles) in a triangular region between the cities of Amsterdam, Haarlem, and Leiden.

YearAdded:
1991
Image Credit: Courtesy Flickr/Mirko Junge (CC BY-SA 2.0) Image Caption: Cruquius Pumping Station Era_date_from: 1849
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