Christopher Polhems sluss, Engineering landmark in Slussen district, Stockholm, Sweden.
The second lock in the Slussen area measures 44.4 meters in length, 9.47 meters in width, and 2.96 meters in depth.
Christopher Polhem started constructing this lock in 1744 at age 83, introducing advanced water management systems and engineering techniques during its development.
The lock represents a period of significant maritime trade in Stockholm when the city handled forty percent of global iron exports.
The remnants of the original lock structure remain beneath Mälarrampen, as confirmed by a City Museum survey conducted in 2005.
The construction utilized a wooden caisson system floated into position and dressed with sandstone from the Stockholm archipelago.
GPS coordinates: 59.32117,18.07264
Latest update: March 5, 2025 00:54
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