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 64–ի 1-ից 5-ը:
Էջ 33
... placed upon any water- purification plant and that no menace to the public health is occasioned thereby . " 6. While realizing that in certain cases the dis- charge of crude sewage into the boundary waters may be without danger , it is ...
... placed upon any water- purification plant and that no menace to the public health is occasioned thereby . " 6. While realizing that in certain cases the dis- charge of crude sewage into the boundary waters may be without danger , it is ...
Էջ 69
... placed in suitable bottles , which were agitated in a thermostat for several hours , at the end of which time the bottles were removed from the agitation apparatus and allowed to stand in the thermostat until complete separation of the ...
... placed in suitable bottles , which were agitated in a thermostat for several hours , at the end of which time the bottles were removed from the agitation apparatus and allowed to stand in the thermostat until complete separation of the ...
Էջ 91
... placed their Engineering Department under the juris- diction of their Operating Department , under which arrangement an assignment of the problem to the Engineering Department jeopardizes still further the desired result . The railway ...
... placed their Engineering Department under the juris- diction of their Operating Department , under which arrangement an assignment of the problem to the Engineering Department jeopardizes still further the desired result . The railway ...
Էջ 105
... placed vertically within a double - walled ice - bath , the lower end of the tube being sealed by a plane polished plate and the upper end , carrying a slight excess of mercury , being protected by a ground glass cap . The excess of ...
... placed vertically within a double - walled ice - bath , the lower end of the tube being sealed by a plane polished plate and the upper end , carrying a slight excess of mercury , being protected by a ground glass cap . The excess of ...
Էջ 130
... placed upon measurement with some form of extensometer . Most extensometers , however , measure only the average stress over a considerable length , are bulky and incon- venient , and cannot be used in positions difficult of access ...
... placed upon measurement with some form of extensometer . Most extensometers , however , measure only the average stress over a considerable length , are bulky and incon- venient , and cannot be used in positions difficult of access ...
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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.