Journal of the Franklin Institute, Volumen184
Pergamon Press, 1917
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. 
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action alloy amount ampère appears application armature atmosphere average become boat cause cellulose cellulose acetate cent chemical color Company considerable constant construction containing curve density determined direction effect electric energy engine equation experiments fact factor feet field follows force FRANKLIN INSTITUTE given gives glass greater heat Hence illustrations important inch increase intensity interest iron Journal knots known latter length less light limited lines load lower machine manufacture material maximum means measured mechanical metal method metres miles minute necessary observed obtained operation Philadelphia physical plate pole possible practice present pressure production radiation reduced reference region Report ship shown solution spectral speed square standard steel submarine surface Table temperature tests thickness tion titanium United vapor various vary voltage volume weight wind
Página 719 - THE BOYDEN PREMIUM URIAH A. BOYDEN, ESQ., of Boston, Mass., has deposited with THE FRANKLIN INSTITUTE the sum of one thousand dollars, to be awarded as a premium to "Any resident of North America who shall determine by experiment whether all rays of light,* and other physical rays, are or are not transmitted with the same velocity.
Página 451 - Institute whether, in their opinion, and, if so, which of their memoirs is worthy of the premium. And, on their report, the Franklin Institute shall decide whether the premium shall be awarded as recommended by the Judges. 4. Every memoir shall be anonymous, but shall...
Página 583 - January, one thousand nine hundred and seven teen, will, as goon as possible after this date, be transmitted to the Committee of Judges. 3. The Board of Managers of THE FRANKLIN INSTITUTE shall, before the first day of January, one thousand...
Página 597 - ELLIS ADDING-TYPEWRITER Awarded the John Scott Medal by the City of Philadelphia on the recommendation of The Franklin Institute Engineers will find this machine is unequalled for writing and performing all arithmetical calculations. It is a high speed Typewriter and a high speed Adding Machine.
Página 778 - 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 136 - Board of Directors of City Trusts, of the City of Philadelphia, to THE FRANKLIN INSTITUTE.
Página 565 - 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 468 - ... 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 4 - 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 97 - Esq., to those workers in physical science or technology, without regard to country, whose efforts, in the opinion of the Institute, acting through its Committee on Science and the Arts, have done most to advance a knowledge of physical science or its applications.