. An encyclopædia of gardening; . 1789. Bridges of masonry {fig. 317.) may either have raided or flat roads ; but in allcases those are the most beautiful (be- 317cause most consistent ^ith utility) inwhich the road on the arch rises as littleabove the level of the road on the shoresas possible ; notwithstanding the pre-judices of some eminent engineers{Telford, in Ed. Encyc, art. Bridge) infavor of the old practice of alwaysforming the extrados of a considerable curve. It is only where masted vessels are topass under, that the raising the arches higher than what is necessary for the transit o
. An encyclopædia of gardening; . 1789. Bridges of masonry {fig. 317.) may either have raided or flat roads ; but in allcases those are the most beautiful (be- 317cause most consistent ^ith utility) inwhich the road on the arch rises as littleabove the level of the road on the shoresas possible ; notwithstanding the pre-judices of some eminent engineers{Telford, in Ed. Encyc, art. Bridge) infavor of the old practice of alwaysforming the extrados of a considerable curve. It is only where masted vessels are topass under, that the raising the arches higher than what is necessary for the transit of thestream can be considered in good taste. 1790. Cast-iron bridges are necessarily curved; but that curvature, and the lineswhich enter into the architecture of their rails, may be varied according to tasle orlocal indications. 1791. The boat, as to construction, belongs to naval architecture. In gardening,it is sometimes used as a substitute for the bridge, sometimes worked by a mechanicalpower, as the wheel and pinion, and co
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Keywords: ., bookcentury1800, bookdecade18, booksubjectgardening, bookyear1826
