. The Encyclopaedia Britannica; ... A dictionary of arts, sciences and general literature. the town stood a tower of oval plan, through which theroad lay ; the town gates with flanking towers closed the end ofthe bridge. From the first gate to the Roman arch the bridge wasof wood, as was also the case between the great tower and the towngates, so that by the removal of this part of the all com-munication could be cut off between the town and the tower as weUas between the bridge and the Faubourg ; moreover, the parapetswere crenelated, so uiat the garrison of the town could at will st
. The Encyclopaedia Britannica; ... A dictionary of arts, sciences and general literature. the town stood a tower of oval plan, through which theroad lay ; the town gates with flanking towers closed the end ofthe bridge. From the first gate to the Roman arch the bridge wasof wood, as was also the case between the great tower and the towngates, so that by the removal of this part of the all com-munication could be cut off between the town and the tower as weUas between the bridge and the Faubourg ; moreover, the parapetswere crenelated, so uiat the garrison of the town could at will stopall navigation. Clearly it was quite as important in those days to be ableto arrest as to facilitate commiinicationbetween the twosides of the river. The architects of the Renaissance showed great boldnessand originality in their designs. The largest arch knownto hav6 been built spanned the Adda at Trezzo, constructedby order of Bernab6 Yisconti, duke of Milan (latter half of 14th century. This bridge is described in Hann andHoskings Bridges, as having consisted of ^ a single arch of. Fig. no.—Saintes Bridge. granite, very well constructed of stones in two courseB,the innermost 3J feet thick in the direction of theradius, the outermost 9 inches, the span at low water 251feet; the river rises sometimes 13 feet. The radius ofthe arch was 133 feet. This noble bridge was destroyedby Carmagnola.
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectencyclo, bookyear1902
