The Gota Canal is the biggest infrastructure project ever built in Sweden. The canal was dug by hand with shovels made of wood. It took over 22 years of 12-hour days - an estimated 12 million man-days of labor - to complete the project.
Sweden
AleNGothenburgState: Västra Götaland CountyCountry: SwedenWebsite: http://www.asce.org/Project/Gota-Canal/Creator: von Platen, Baltzer, Telford, Thomas
YearAdded:
Image Credit: Courtesy Flickr/Patrick Strandberg (CC BY-SA 2.0)Image Caption: Gota CanalEra_date_from: 1810 to 1832
1998
The Ljungstrom air preheater is a regenerative heat exchanger, invented in the 1920s and soon used throughout the world. Dr. Fredrik Ljungstrom, then technical director at Aktiebolaget Ljunstrom Angturbin, invented it for preheating combustion air in boiler plants, but the use has expanded to include energy recovery in combination with the removal of oxides of sulfur and nitrogen.
YearAdded:
Image Credit: Public DomainImage Caption: Ljungstrom Air PreheaterEra_date_from: 1920
1995
Innovations
The Ljungstrom air preheater is a regenerative heat exchanger, invented in the 1920s and soon used throughout the world. Dr. Fredrik Ljungstrom, then technical director at Aktiebolaget Ljunstrom Angturbin, invented it for preheating combustion air in boiler plants, but the use has expanded to…
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The Gota Canal is the biggest infrastructure project ever built in Sweden. The canal was dug by hand with shovels made of wood. It took over 22 years of 12-hour days - an estimated 12 million man-days of labor - to complete the project.
The Gota (pronounced yeu-ta) Canal is a 347-…
