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1849

Cruquius Pumping Station
Society: ASMEMain Category: MechanicalSub Category: PumpingEra: 1840-1849DateCreated: 1849Cruquiusdijk 27
HaarlemmermeerCountry: NetherlandsWebsite: http://www.asme.org/about-asme/history/landmarks/topics-m-z/pumping/-153-cruquius-pumping-station-%281849%29Creator: 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 StationEra_date_from: 1849
Conwy Tubular Bridge
Society: ASCEMain Category: CivilSub Category: Bridges, Roads & RailsEra: 1840-1849DateCreated: 1849River ConwyState: North WhalesCountry: UKWebsite: http://www.asce.org/Project/Conwy-Tubular-Bridge/Creator: Stephenson, Robert

Built by Robert Stephenson to carry the Chester and Holyhead Railway across the River Conwy, this bridge was erected between 1846 and 1848. It consists of a single span 400 feet long, formed by two parallel rectangular wrought iron tubes, each weighing 1300 tons. Masonry towers were built on the abutments and topped with battlements and turrets to harmonize with the nearby Conwy Castle. The Conwy Tubular Bridge was the first railway bridge in which trains ran through the main girders. It represents a pioneering use of wrought iron for bridges.

YearAdded:
2002
Image Credit: Original Photo: Flickr/Glenn J. MasonImage Caption: Conwy Tubular BridgeEra_date_from: 1849
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