A London encyclopaedia, or universal dictionary of science, art, literature and practical mechanics : comprising a popular view of the present state of knowledge : illustrated by numerous engravings, a general atlas, and appropriate diagrams (1829)
Curtis, Thomas, fl. 1820 · London : Thomas Tegg · leaf 479
perstra-tum of round stones or splinters, diminishing tothe size of gravel as they rise to the surface, andthere covered with the common soil. As thebest constructions, however, are not always prac-ticable, the following are a few leading sorts 456 DRAINS. idapted for different situations. (We are… … Drains of collection are formed of stone, brick,gravel, cinders, wood, spray, straw, turf, andearth alone. The boxed and rubble drain, fig. 2, is a drainof conveyance and collection. The commonrubble drain is formed of rough land-stones ofany sort, not exceeding six o^r seven inches indiameter,…
Encyclopedias and dictionaries · Aeronautics
Internet Archive · California Digital Library · Public Domain Mark 1.0. Free to use for anything.
