Bydgoszcz’s Engineering Marvel – The Trapezoidal Lock

Did you know that one of the most extraordinary hydrotechnical structures of the 19th century was built in Bydgoszcz? Join us for a journey through history that shows how bold engineering ideas could transform the face of a city!

November 7, 2026 (Saturday)
2:00 p.m.

During the event “Bydgoszcz’s Engineering Marvel – The Trapezoidal Lock,” we’ll take a closer look at this extraordinary urban lock, also known as the “bag-shaped” lock. Built between 1882 and 1884, it stood out for its unusual trapezoidal chamber shape and innovative structural solutions.

This is a unique story of technology, history, and the people who were able to combine engineering precision with a bold vision. The trapezoidal lock stands as a testament to the evolution of technical thought and serves as a reminder that the history of Bydgoszcz is not only a story of water and navigation, but also of extraordinary engineering achievements.

The event will be hosted by Robert Grochowski, who will introduce us to this unique part of Bydgoszcz’s technical heritage.

We invite you to the Sebastian Malinowski Bydgoszcz Canal Museum!
Come and discover Bydgoszcz’s marvel of engineering with us!

This event is funded by the City of Bydgoszcz.

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Bydgoszcz's Engineering Marvel—The Trapezoidal Lock

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