Journal of the Franklin Institute, Հատոր 180Pergamon Press, 1915 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] |
From inside the book
Արդյունքներ 78–ի 1-ից 5-ը:
Էջ 33
... inch mesh or by sedimenta- tion . " 9. In general , no more elaborate method of sew- age treatment should be required than the removal of the suspended solids by fine screening or by sedimenta- tion , or both , followed by chemical ...
... inch mesh or by sedimenta- tion . " 9. In general , no more elaborate method of sew- age treatment should be required than the removal of the suspended solids by fine screening or by sedimenta- tion , or both , followed by chemical ...
Էջ 100
... inch bore , each measuring nearly six feet and weighing 1700 pounds . The normal speed of the engine is 225 revolutions per minute . The trips are not long , and between runs all fuel con- sumption ceases , effecting a considerable ...
... inch bore , each measuring nearly six feet and weighing 1700 pounds . The normal speed of the engine is 225 revolutions per minute . The trips are not long , and between runs all fuel con- sumption ceases , effecting a considerable ...
Էջ 130
... inch . It was thus proved to be eminently suitable for the laboratory investigation of strain distribution in built ... inch x 3 inch x 14 inch angles were & Transactions Canadian Society of Civil Engineers , vol . xxvi , p . 224 . 4 See ...
... inch . It was thus proved to be eminently suitable for the laboratory investigation of strain distribution in built ... inch x 3 inch x 14 inch angles were & Transactions Canadian Society of Civil Engineers , vol . xxvi , p . 224 . 4 See ...
Էջ 137
... inch thick , the length A B being chosen to suit requirements . The end A is is turned at right angles and brought ... inch x 0.12 inch x 0.45 inch , Aug. , 1915. ] 137 EFFECT OF END CONNECTIONS .
... inch thick , the length A B being chosen to suit requirements . The end A is is turned at right angles and brought ... inch x 0.12 inch x 0.45 inch , Aug. , 1915. ] 137 EFFECT OF END CONNECTIONS .
Էջ 138
Franklin Institute (Philadelphia, Pa.) about 0.18 inch x 0.12 inch x 0.45 inch , and the mirror is at- tached by means of a piece of steel knitting needle . The mirror is held in a clip of thin sheet steel which is arranged so that it ...
Franklin Institute (Philadelphia, Pa.) about 0.18 inch x 0.12 inch x 0.45 inch , and the mirror is at- tached by means of a piece of steel knitting needle . The mirror is held in a clip of thin sheet steel which is arranged so that it ...
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Էջ 386 - 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.
Էջ 104 - As a unit of resistance, the international ohm, which is based upon the ohm equal to io9 units of resistance of the CGS system of electro-magnetic units, and is represented by the resistance offered to an unvarying electric current by a column of mercury at the temperature of melting ice, 14.4521 grammes in mass, of a constant cross-sectional area and of the length of 106.3 centimeters.
Էջ 640 - Esq., awarded annually 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.
Էջ 640 - ... and containing the name and address of the author of the memoir. It shall be the duty of the Secretary of the FRANKLIN INSTITUTE to keep these envelopes securely and unopened until the Judges, shall have finished their examination ; when, should the Judges be of opinion that any one of the memoirs is worthy of the Premium , the corresponding envelope shall be opened, and the name of the author communicated to the INSTITUTE.
Էջ 252 - This medal is awarded for discovery or original research, adding to the sum of human knowledge, irrespective of commercial value ; leading and practical utilizations of discovery; and invention, methods or products embodying substantial elements of leadership in their respective classes, or unusual skill or perfection in workmanship.
Էջ 252 - States of competent scientific ability, to whom the memoir shall be referred ; and the said Judges shall examine the memoirs and report to THE FRANKLIN INSTITUTE whether, in their opinion, any, and, if so, which of the memoirs is worthy of the Premium.
Էջ 512 - January, one thousand nine hundred and fifteen, will, as soon 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...
Էջ 386 - Arts, undertakes to make investigations free of charge and to recommend for the award all meritorious inventions. Applications should be addressed to the Secretary of THE FRANKLIN INSTITUTE, from whom all information relative thereto may be obtained.
Էջ 48 - Hazen clearly indicate that where one death from typhoid fever has been avoided by the use of a better water, a certain number of deaths, probably two or three, from other causes, have been avoided.