Identifier: sciencerecordcom1874beac (find matches)
Title: The Science record; a compendium of scientific progress and discovery
Year: 1872 (1870s)
Authors: Beach, Alfred Ely, 1826-1896
Subjects: Technology Industrial arts
Publisher: New York, Munn
Contributing Library: Smithsonian Libraries
Digitizing Sponsor: Smithsonian Libraries

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den shelf, on which, just in frontof the sight-orifices of the helmet, is placed a number ofcups containing corn or seed. The bird, attracted by thebait, alights upon the shelf, when the fowler grajbs hisprey by the legs with his hand, draws it under the sur-face, and secures it in a net bag which is worn about hiswaist. Potash in Different Kinds of Ashes.—A correspon-dent of The Country Gentleman gives the following table,showing the amount of potash contained in 1000 poundsof ashes, made from burning different kinds of woods:pine, i pound ; poplar, £ pound ; beech, ii pounds ; maple,4 pounds ; wheat-straw, 4 pounds ; corn-stalks, 17 pounds ;oak-leaves, 24 pounds; stems of potatoes, 55 pounds;wormwood, 73 pounds ; sunflower-stalks, 19 pounds; oak,7.\ pounds ; beech-bark, 6 pounds. The remaining portionof the ash, consisting of carbonate and phosphate of lime,iron, manganese, alumina, and silica, is an excellent fer-tilizer. 37^ SCIENCE RECORD. STEAM MOWING, REAPING, AND THRASHING.
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STEAM MOWING, REAPING, AND THRASHING MACHINE. Mr. Marcellus V. Cummings, of Geneseo, Henry-County, Illinois, has brought into successful use in thatState a new invention for the purpose above mentioned,which is illustrated in our engraving, which is from a pho-tograph of the machine. The boiler is thirty-one inchesin diameter by five feet in length, and is of the tubularpattern. There are two steam-cylinders, each four by eightinches, together with a water-tank holding five barrels ofwater, and coal-bunkers containing five bushels of coal.The large driving-wheels are five feet in diameter and eightinches in tread; the front steering-wheel, operated asshown, is four feet in diameter, with similar tread. The AGRICULTURE AND RURAL ECONOMY. 379 grass-sickle cuts six feet four inches, and the grain-sicklenine feet six inches. The inventor states that he drives his engine from farmto farm without the aid of horses, and that it traverses overplowed land, up-hill or down, with the greatest ea

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