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Maryhill Locks, Forth & Clyde Canal
Forth & Clyde Canal, Maryhill, Glasgow
associated engineer
Robert Whitworth
date  1787 - 1790
UK era  Georgian  |  category  Locks  |  reference  NS563690
ICE reference number  HEW 474 / 02
Maryhill Locks is a flight of five locks on John Smeaton's Forth & Clyde Canal, which links the east and west coasts of Scotland. The flight drops the waterway from Lock 21 at the west end of the canal's summit stretch to Lock 25, 12.2m below in Glasgow.
The dimensions of the locks in this flight are similar to those used by Smeaton on earlier parts of the canal at the east coast — 22.6m long and 6.1m wide. Each lock in the Maryhill flight is designed to hold enough water in the basin between it and the next lock to allow more than one vessel to use each lock at once, making the the system more flexible.
Robert Whitworth, one of Smeaton's supervising engineers for the canal project, is responsible for the Maryhill Locks, with William Gibb — founder of the company that became Sir Alexander Gibb & Partners — and John Muir as contractors. Both were from Falkirk and also worked on Whitworth's Kelvin Aqueduct, which takes the canal over the River Kelvin nearby.
Main contractors: William Gibb, John Muir
Research: ECPK
reference sources   CEH SLBJS

Maryhill Locks, Forth & Clyde Canal