"Blende" Quotes from Famous Books
... spectroscope designed for the detection of ultra-violet lines," replied Dr. Bird. "Those lines you see are ultra-violet, made visible to the eye by activation of a radioactive compound whose rays in turn impinge on a zinc blende sheet. Do ... — Astounding Stories of Super-Science April 1930 • Various
... Group extends, is usually marked by a series of low, gravelly hills, and clayey valleys, on which a stunted growth of timber prevails, known by the name of 'Oak Openings.' Small portions of sulphate of strontia, galena, and blende, with rhomb spar, occur in the upper portion of the group. Gypsum and salt are, however, the only minerals of economical value: of the former many thousand tons are excavated. Several acidulous springs issuing from these deposits, have been found to contain free sulphuric acid."—D. ... — Old Mackinaw - The Fortress of the Lakes and its Surroundings • W. P. Strickland
... usually marked by a series of low, gravelly hills, and clayey valleys, on which a stunted growth of timber prevails, known by the name of 'Oak Openings.' Small portions of sulphate of strontia, galena, and blende, with rhomb spar, occur in the upper portion of the group. Gypsum and salt are, however, the only minerals of economical value: of the former many thousand tons are excavated. Several acidulous springs issuing from these deposits, have been found to contain free sulphuric ... — Old Mackinaw - The Fortress of the Lakes and its Surroundings • W. P. Strickland
... tungsten filament emits light because it is sufficiently hot. A phosphorus match rubbed in the moist palm of the hand is seen to glow, although it is at an ordinary temperature. This may be termed "chemi-luminescence." Sidot blende, Balmain's paint, and many other compounds, when illuminated with ordinary light, and especially with ultra-violet and violet rays, will continue to glow for a long time. Despite their brightness they will be cold to the touch. This phenomenon ... — Artificial Light - Its Influence upon Civilization • M. Luckiesh
... serve when the proportion of the ingredients is given by weight. A mixture of 4 parts by weight of galena (sp. g. 7.5) with 5 parts of blende (sp. g. 4) will have a ... — A Textbook of Assaying: For the Use of Those Connected with Mines. • Cornelius Beringer and John Jacob Beringer |