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Appleton's dictionary of machines, mechanics, engine-work, and engineering (1861)

Appleton, firm, publishers, New York. (1852, D. Appleton & Co.) · New York : D. Appleton · leaf 54

An illustration from Appleton's dictionary of machines, mechanics, engine-work, and engineering, 1861, leaf 54 — commencement of the upper-filling of the aqueduct, at the brow of the hill, to its disappearance onthe opposite side; its greatest depth is 50 feet below the upper-filling. Looking on the map, it showsthat this part of the island is laid out in streets and blocks. At this place it was designed that… … these streets, viz., the 101st, 100th, 99th, 98th, 97th, and 96th, underneath. The first 5 of these streetsare 60 feet wide ; but 96th, being a principal street, is 100. For their passage aqueduct-bridges wereapplied, of 3 arches each for the first 5 ; a main arch 30 feet in width in the centre for…

Mechanical engineering

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