Journal of the Franklin Institute, Հատոր 179Elsevier, 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] |
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Էջ 512 - 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 620 - 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.
Էջ 268 - 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 380 - 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. It is a nine bank machine useful for all kinds of commercial work as well as for Engineering work. For particulars address ELLIS ADDING-TYPEWRITER CO. 338 ELIZABETH AVENUE NEWARK, NJ Your courtesy In mentioning...
Էջ 733 - This term is applied to the finely pulverized product resulting from the calcination to incipient fusion of an intimate mixture of properly proportioned argillaceous and calcareous materials, and to which no addition greater than 3 per cent. has been made subsequent to calcination.
Էջ 380 - 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 620 - Deserving," and Money Premium in the sum of $20 to such persons whose inventions shall merit the same. The examination of the inventions submitted for the Medal and Premium has been delegated by the Board of Directors of City Trusts, of the City of Philadelphia, to THE FRANKLIN INSTITUTE.
Էջ 512 - The Franklin Institute School of Mechanic Arts 15 South Seventh Street THE ALUMNI ASSOCIATION OF THE FRANKLIN INSTITUTE is always glad to refer inquiries for engineers, draftsmen, etc., to its members. Since its organization, the association has received many such requests and several past graduates of The Franklin Institute School of Mechanic Arts have been recommended to...
Էջ 220 - ... or guaranties have been complied with. The performance of an engine or boiler, a pump, an electrical generator or motor, a weighing device, or a telescope can usually be measured, but the quantities to be measured and the method used must be specified correctly and understood by all the parties concerned in the construction, purchase, or use of such apparatus. To do this properly involves the use of standards of measurement, standards values of constants, and standards of quality.