The Civil engineer and architect's journal, scientific and railway gazette (1839)
London : [William Laxton] · leaf 448
e less than 15 inchesthick on the face, and 4 feet long by not less than 2 feet G inches onthe bed, ami to be as well dressed as the hollow quoins. A groove for the caisson is to be formed across the bottom, and upthe side walls at each end of the lock as represented in the drawiug.On the outiside… … z.ar tremity of the lock, there is to be a pUitforra of well squared stone 2feet ti inches in depth, also the aforesaid grooves and the lockchambers with quoin stones 3 feet long by 2 feet in breadth. Twocourses of bond stone are to be built in tlie wing walls and counter-forts, 15 inches thick…
Architecture · Civil engineering · Science
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