"Pulverization" Quotes from Famous Books
 ... and for mixing fluxes. As this mortar will not yield to abrasion, there is no danger of any foreign matter becoming mixed with the substance pulverized in it. It should be cleaned after use with pumice stone. Steel mortars are very useful for the pulverization of hard bodies; but for all those substances which require great care in their analysis, and which can be obtained in very minute quantity, the agate ...
— A System of Instruction in the Practical Use of the Blowpipe • Anonymous
... the rock to a collection of angular and rounded fragments of granite, quartz, and feldspar in a matrix of quartz and mica, the mica lapping around the fragments and rudely parallel to their surfaces. The last stage was complete pulverization of the fragments and elongation into lenses, the feldspathic material entirely recomposing into muscovite, chlorite, and quartz, and the whole mass receiving a strong schistosity, due to the arrangement of the mica plates parallel to the elongation. This final stage ...
— History and Comprehensive Description of Loudoun County, Virginia • James W. Head
... soils, sandy soils, humus soils and the volcanic ash soils of the West are made sufficiently fine without great labor. Clay soils may call for the free use of the harrow and roller used in some sort of alternation before they are sufficiently pulverized. Excessive fineness in pulverization of these soils is also to be guarded against in rainy climates, lest they run together, but this condition is present far ...
— Clovers and How to Grow Them • Thomas Shaw
... yield to abrasion, there is no danger of any foreign matter becoming mixed with the substance pulverized in it. It should be cleaned after use with pumice stone. Steel mortars are very useful for the pulverization of hard bodies; but for all those substances which require great care in their analysis, and which can be obtained in very minute quantity, the agate mortar alone should ...
— A System of Instruction in the Practical Use of the Blowpipe • Anonymous
... persistent efforts of Dr. Charles U. Shepard, at Summerville, S. C., who continued his exertions to found a permanent tea plantation on a large scale long after the Government authorities had ceased to hope for success. In Dr. Shepard's tea gardens the deficiency in rain fall is made good by deep pulverization of the soil and artificial irrigation; the natural shade of jungle or forest under which the seed germinates and grows where the plant is indigenous, is supplied by artificial shade; and the expensive process of ...
— Tea Leaves • Francis Leggett & Co. |
