Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 446
n the latter to anchor the courses together and prevent rupture.The sheathing of boards is planed on the outside and firmly attached to the^jshoe with bound wooden segments above to preserve the form, which are re-moved as the brickwork reaches them. Fig. 1023 is a joartial section of a steel… … Fig. 1023. any of the systems illustrated, but as it is generally necessary that they should not extend in width so as to obstruct the current of the stream and increase its velocity, it is usual to inclose the site of the foundations within a coffer-dam, freeing it from water and preparing the…
Mechanical drawing
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