A brief timeline The early efforts to deepen the River Clyde for navigation relied on the construction of groynes or jetties into the river to constrain the channel and use the natural scouring and deepening effect of the tides and the river flow. The effect was enhanced by joining the ends of the jetties by stone walls. By the middle of the 1830s the channel was deep enough to allow coastal steamers access to the Broomielaw but the narrowness of the channel was a major limitation to the development of Glasgow as a port. Compounding the problems was the expansion of industry on the reclaimed land lining the banks of the river. By 1840, the harbour extended from the Broomielaw Bridge encompassing the Broomielaw though Anderson on the north bank and Windmillcroft on the south bank. The steamboat quay was situated at the western end of the harbour on the north bank where there was a...