Journal of the Franklin Institute

Portada
Vols. 1-69 include more or less complete patent reports of the U. S. Patent Office for years 1825-1859. cf. Index to v. 1-120 of the Journal, p. [415]
 

Comentarios de la gente - Escribir un comentario

No encontramos ningún comentario en los lugares habituales.

Otras ediciones - Ver todas

Términos y frases comunes

Pasajes populares

Página 806 - He noticed objects above the earth tend to rotate relative to the earth's rotation ... to the right in the northern hemisphere, to the left in the southern. The Coriolis Effect is in force in outer space, too.
Página 585 - Presidents of the American Society of Civil Engineers, the American Institute of Mining Engineers, the American Society of Mechanical Engineers, the American Society of...
Página 341 - XX (1906), 199. through space, as Thomson had assumed it to do, but that a given source could emit and absorb radiant energy only in units which are all exactly equal to hv, v being the natural frequency of the emitter and ha constant which is the same for all emitters. I shall not attempt to present the basis for such an assumption, for, as a matter of fact, it had almost none at the time.
Página 475 - ... granitic rocks. Traces of tin have been detected in feldspar. Stannite, or tin pyrites, is a sulphide of tin, copper, and iron, and a few other rare minerals contain this element. Titanium. — This element is almost invariably present in igneous rocks and in the sedimentary material derived from them. Out of 800 igneous rocks analyzed in the laboratory of the United States Geological Survey, 784 contained titanium.
Página 2 - Into that he has put as much of his human patience, common sense, forethought, experimental philosophy, self-control, habits of order and obedience, thoroughly wrought handwork, defiance of brute elements, careless courage, careful patriotism, and calm expectation of the judgment of God, as can well be put into a space of 300 feet long by 80 broad. And I am thankful to have lived in an age when I could see this thing so done.
Página 451 - BARRY, John Wolfe. Railway appliances; a description of details of railway construction subsequent to the completion of the earthworks and structures; including a short notice of railway rolling stock.

Información bibliográfica