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The Lehigh Canal in Glendon, Pennsylvania in 1979
The Lehigh Canal in Glendon, Pennsylvania in 1979
The February 1873 edition of Harper's Weekly featuring an illustration of anthracite coal loading at the loading chutes in Mauch Chunk, Pennsylvania;
The February 1873 edition of Harper's Weekly featuring an illustration of anthracite coal loading at the loading chutes in Mauch Chunk, Pennsylvania; Hauto Tunnel was in operation, and the LC&N Co. allowed its subsidiary Summit Hill & Mauch Chunk Railroad to be sold as a tourist railroad. As the Mauch Chunk Switchback Railway, it was the world's first roller coaster.
Main Street Bridge over the canal in Freemansburg in July 2015
Main Street Bridge over the canal in Freemansburg in July 2015
Weigh lock with scales to determine tolls in 1873
Weigh lock with scales to determine tolls in 1873
Lock 3 West at Waterloo Village, New Jersey
Lock 3 West at Waterloo Village, New Jersey
Chromolithograph of the canal from 1900
Chromolithograph of the canal from 1900
Canal in 2018 at Waterloo Village
Canal in 2018 at Waterloo Village
Scotch or reaction turbine taken from Inclined Plane 3 East on display at Hopatcong State Park. This turbine, running with 47 feet (14 m) head at 58 r
Scotch or reaction turbine taken from Inclined Plane 3 East on display at Hopatcong State Park. This turbine, running with 47 feet (14 m) head at 58 rpm, venting 90.6 second feet, gives 30% efficiency. Water goes in the bottom, and comes out the sides, relieving pressure on bearings.