 | Perry Fairfax Nursey - Industrial arts - 1841 - 538 pages
...Trans, of Soc. of Civil Engineers.] This aqueduct was founded by king John the Fifth, in 1713, and completed by the Marquis of Pombal, 1755. It resisted...of thirty-two arches, with spans varying from 50 to IOS feet; the crown of the centre arch ¡я 225 feet from the ground. The length of this portion is... | |
 | Industrial arts - 1841 - 542 pages
...Trans, of Soc. of Civil Engineers.] ' This aqueduct was founded by king John the Fifth, in 1713, and completed by the Marquis of Pombal, 1755. It resisted...part of the work is that which crosses the Valley of Âlcantra ; it consists of thirty-two archet, with spans varying from 50 to 105 feet ; the crown of... | |
 | 1841 - 536 pages
...Trans, of Soc. of Civil Engineers.] This aqueduct was founded by king John the Fifth, in 1713, and completed by the Marquis of Pombal, 1755. It resisted...conspicuous part of the work is that which crosses the Vnlley of Alcantra ; it consists of thirty-two arches, with spans varying from 60 to 105 feet ; the... | |
 | 1841 - 600 pages
...— This aqueduct was founded by King John the Fifth in 1713, and completed by the Marquis of Pombsl 1755. It resisted uninjured the shocks of the great...which crosses the Valley of Alcantra ; it consists of thirtv-two arches, with spans varying from fifty to one hundred and five feet; the crown of the centre... | |
 | 1842 - 602 pages
...This aqueduct was founded by king John the Fifth in 1713, and completed by the Marquis of Pombal, in 1755. It resisted uninjured the shocks of the great...feet from the ground. The length of this portion is 3,000 feet. The sourees from which the supply of water is derived, arc situated in the high ground... | |
 | Arts, Useful - 1842 - 530 pages
...Valley of Alcantra." By Samuel Clegg, Jun. This aqueduct was founded by King John the Fifth in 171S, and completed by the Marquis of Pombal, 1755. It resisted...is that which crosses the Valley of Alcantra ; it consistes of thirty-two arches, with spans varying from 50 to 105 feet ; the crown of the centre arch... | |
 | William Newton - 1842 - 528 pages
...aqueduct was founded by King John the Fifth in 1713, and completed by the Marquis of Pombal, 1 755. It resisted uninjured the shocks of the great earthquake...is that which crosses the Valley of Alcantra ; it consistes of thirty-two arches, with spans varying from 50 to 105 feet ; the crown of the centre arch... | |
 | S. Warrand - 1842 - 614 pages
...This aqueduct was founded by king John the Fifth in 1713, and completed by the Marquis of Pombal, iii 1755. It resisted uninjured the shocks of the great...spans varying from 50 to 105 feet; the crown of the c«Hre arch is 225 feet from the ground. The length of this portion is 3,000 feet. The sources from... | |
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It resisted uninjured the shocks of the great earthquake in that year, although it was observed to oscillate considerably. The most conspicuous part of the work is that which crosses the Valley of Alcantra... 