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词汇 Navigation weir
分类 英语词汇 英语翻译词典
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Navigation weir

英语百科

Flash lock

Sketch of a flash lock on the River Thames between Whitchurch-on-Thames and Pangbourne around 1786, showing method of winching a barge up over a weir. Flash locks were common on the Thames above Staines.
Capstan Wheel near Hurley, England that was used to winch boats upstream past a flash lock. It is said to be the only one left in England and was restored in 1999.
Paddle and Rymer weir on the Thames
Paddles stored for use at Northmoor lock

Early locks were designed with a single gate, known as a flash lock or staunch lock. The earliest European references to what were clearly flash locks were in Roman times.
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