Journal - Franklin Institute of the State of Pennsylvania (1826)
Franklin Institute, Philadelphia, Franklin Institute (Philadelphia, Pa.) · [Philadelphia : Franklin Institute] · leaf 175
by walls ofmoderate thickness. I have not the means of giving exact informa-tion as to the dimensions of the bricks used by the French engineers,or the thickness of the walls by which the arches are sustained; butI think I can give a general notion of the manner of making thesebricks, which will…
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