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Scientific American, Vol. 68, No. 21 (1893) (1893)

leaf 3

An illustration from Scientific American, Vol. 68, No. 21 (1893), 1893, leaf 3
e ditch or channel through The chairs shown are representations of the work which the water flows has near its discharge end a pit of Chippendale, an English cabinetmaker, who at- in which is journaled a wheel, the circular ends of which fit closely to the sides of the flume, as shown in tained… … ALLEN’S HAY STACKER, WOOLLENS’ METER FOR IRRIGATION DITCHES, green, alpha-naphthylamine blue, amido-benzoie acid brown. Cerium papers are more sensitive than iron pulley, thence over a pulleyin the rear extremity of with a suitable counting or recording apparatus. The or Manganese papers. dumping…

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