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John Penn & Sons Oscillating Steam Engine
Society: ASMEMain Category: MechanicalSub Category: Water TransportationEra: 1840-1849DateCreated: 1841Aboard the paddle steamer DiesbarDresdenState: SaxonyZip: 01069Country: GermanyWebsite: http://www.asme.org/about-asme/history/landmarks/topics-m-z/water-transportation/-245-john-penn---sons-oscillating-steam-engine-%2818Creator: John Penn & Sons

The oscillating steam engine, built by John Penn & Sons, is located aboard the famed paddle steamer Diesbar.  Diesbar is the second oldest of a fleet of nine paddle steamers in Dresden.  What makes the Diesbar unique is its coal fueled engine and single deck design.  The John Penn and Sons engine that runs the steamer is the oldest operational marine steam engine in the world.  It has been in operation for over 165 years. 

YearAdded:
2008
Image Credit: Photo: Sächsische DampfschiffahrtImage Caption: John Penn & Sons Oscillating Steam EngineEra_date_from: 1841
Society: ASMEMain Category: MechanicalSub Category: Water TransportationEra: 1900-1909DateCreated: 1909Outboard Marine CorpMilwaukeeState: WIZip: 53218Country: USAWebsite: http://www.asme.org/about-asme/history/landmarks/topics-m-z/water-transportation/-65-evinrude-outboard-motor-%281909%29Creator: Evinrude, Ole
This outboard motor, designed and built by Ole Evinrude (1877-1934) at the Evinrude Motor Company in Milwaukee, Wisconsin, was quickly accepted by the boating public of the United States. Bess Evinrude called the prototype a "coffee grinder," but it moved a boat through water better than the huge steam- or foot-driven motors available in 1907. She encouraged him to build and sell ten, then twenty, soon resulting in the redirection of their automotive equipment business to outboard motors.
YearAdded:
1981
Image Credit: Courtesy Flickr/Mr. T in DC (CC BY-ND 2.0)Image Caption: Evinrude Outboard MotorEra_date_from: 1909
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