Spon, Ernest, Haldane, Robert, Lock, Charles G. Warnford (Charles George Warnford), 1853-1909 · London ; New York : E. & F.N. Spon · leaf 185
sin from side to a spout to direct the flow of water side a number of iron rails are built into downward in a uniform direction. the walls, bearing wooden laths upon Obtain about 2 qt. of small stones, and, which is laid the filter bed. This is after a good washing, place about 2 in. composed of 4… … river sand. The water is allowed to cloth or Canton flannel cut to size of flow gently from the reservoir and enter pail. On this spread a layer of animal at the left, that portion of the basin charcoal, sold by wholesale chemists as underneath the filter bed. Here it boneblack at about bd. alb.…
Workshop recipes · Technology · Industrial arts
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
