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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ing fifteen pounds of fat, such as tallow,lard, or cheap butter, and mixing it with one thousandpounds of skim milk heated to about ioo° F., so as to forman emulsion, which is constantly stirred until the heat isreduced to about 840, when the rennet is added and cheesemade as in the usual process. Three onnces of saltpetremay be added to the milk if preferred. WEEDS AS INDICATORS OF SOIL.Professor Volske, says Les Mondes, has found by ana-lysis that, of the carduus acaulis and utricar repens, two use-less weeds which infest fields in France, the first growsprincipally in soils rich in potash, and the other in soilslargely containing silica as well as phosphate and sul-phate of lime. It would be a good idea for agriculturalchemists to avail themselves of the hint, and, by deter-mining the nature of the ground in which our most com-mon weeds are principally found, thus afford to farmers aready way of approximately determining the quality oftheir land. . . - •■ ~ 384 SCIENCE RECORD.
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NEW METHOD OF PASTURE IRRIGATION.As shown in our illustration, this method involves a sc-ries of artificial showers through pipes fed from a large re-servoir, through the means of a steam-engine that pumpsthe water into them, and forces it out in jets, or a sort ofartificial rain. This mode of irrigation, which is usuallybrought into requisition at night, is found to be most bene-ficial, and tends greatly to the growth of grass and the AGRICULTURE AND RURAL ECONOMY. 385 fructifying of the soil. Our engraving shows the appara-tus as used in England, and the arrangements for pas-turing sheep in connection with it. Plot after plot is takenin rotation, until the whole space covered with pipes hasbeen gone over. ON THE BURSTING OF TREES AND OBJECTSSTRUCK BY LIGHTNING.By Professor Osborne Reynolds, M.A.—The resultsof the experiments referred to in this paper were ex-hibited at a recent meeting of the Manchester Philosophi-cal Society. The suggestion thrown out by Mr. Baxendell—that the

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