Van Nostrand's Engineering Magazine, Volumen31

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D. Van Nostrand, 1884
 

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Página 352 - CHEMICAL EXAMINATION OF ALCOHOLIC LIQUORS. — A Manual of the Constituents of the Distilled Spirits and Fermented Liquors of Commerce, and their Qualitative and Quantitative Determinations.
Página 176 - No. 26. PRACTICAL TREATISE ON THE PROPERTIES OF CONtinuous Bridges. By Charles Bender, CE No. 27.
Página 313 - In order to explain how the invention operates, it will be necessary to glance at the chemical composition and some of the chemical properties of chalk ; for while chalk makes up the great bulk of the matter to be separated, chalk also contains the ingredient that brings about the separation. The invention is a chemical one for expelling chalk by chalk. Chalk, then, consists, for every 1 Ib. of 16 oz., of lime, 9 oz.
Página 211 - ... upon sure ground, and has given occasion for the sarcastic remark that the stability of a building is inversely proportional to the science of the builder.
Página 352 - Outlines of Proximate Organic Analysis, for the Identification, Separation, and Quantitative Determination of the more commonly occurring Organic Compounds.
Página 176 - No. 43. WAVE AND VORTEX MOTION. By Dr. Thomas Craig, of Johns Hopkins University. No. 44. TURBINE WHEELS. By Prof. WP Trowbridge, Columbia College. Second edition. Revised.
Página 174 - GREENWOOD.— Steel and Iron: Comprising the Practice and Theory of the Several Methods Pursued in their Manufacture, and of their Treatment in the RollingMills, the Forge, and the Foundry.
Página 226 - WHO is this that darkeneth counsel by words without knowledge? Gird up now thy loins like a man ; for I will demand of thee, and answer thou me.
Página 29 - ... giving a clear musical tone loud enough, by the force with which they are struck, to be clearly heard at some distance. The armature does not strike these alternately by a pendulous movement, as we may easily strike only one continuously, the friction and inertia of the armature causing its movements to be perfectly dead-beat when not driven by some external force, and it is kept in its zero position by a strong directive magnet placed beneath its axle. The mechanical power obtained is extremely...
Página 217 - ... impressive effects. When pieces of charcoal about an inch long and one-sixth of an inch in diameter were brought near each other (within the thirtieth or fortieth part of an inch), a bright spark was produced, and more than half the volume of the charcoal became ignited to whiteness, and by withdrawing the points from each other, a constant discharge took place through the heated air, in a space equal at least to four inches ; producing a most brilliant ascending arch of light, broad, and conical...

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