The Civil engineer and architect's journal, scientific and railway gazette (1839)
London : [William Laxton] · leaf 241
d our notice to a greater length than we originallyintended, but the importance of the subject has lea us on imperceptibly,we must therefore defer further notice of this interesting pamphlet,which affords abundance of materials for consideration—before weconclude we shall give the description of a… … REFERENCE. A, cliarooal medium (Ihe finest in the rentre). H, fine sand. C, eoarse sand.D, fine iTavel, and pebljlcs. E, large gravel, and Ijroken pottery. The ahovc is a slietch of a filtering apparatus, in \\nieli charcoal is proposedto lie emjiloyed, both in a fine and coarse state, the finest…
Architecture · Civil engineering · Science
Internet Archive · Boston Library Consortium · Public Domain Mark 1.0. Free to use for anything.
