is manufactured by its originator, side. The lands are kept dry by a system of intersect- Mr. F. E. Hook, of Hudson, Mich., comprises a self- ing trenches draining the water into a depression from contained air and liquid pump, fitted with a special which it is pumped by steam power. coating… … tacle. a load of 14 cubic yards, weighing 25 The plunger is so arranged that it can tons (see illustration), of soil composed be withdrawn through the top of the cylinder by remov- of sand and clay such as the beds of California rivers floor, it is hardly noticeable. In painting by brush, ing two…
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