Journal of the Franklin Institute, Հատոր 138Elsevier, 1894 Vols. 1-69 include more or less complete patent reports of the U. S. Patent Office for years 1825-59. |
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acid ammonia amount apatite apparatus applied average balloon boiler building burners carbon carbonic acid carriage cellulose cent chemical coal color colorimeter combustion condensation construction cost course curve CXXXVIII cylinder depth determined diameter earth edge efficiency electric light expansion experiments feet fixtures Franklin Institute free-board fuel furnace give given heat hence Hollidaysburg horse-power hour inches increase invention inventor iron Kennett Square length lime load Lock Haven machine machinery magnesium manufacture material mathematics matter maximum means mechanical ment metal method monthly motor observed obtained OLSEN & CO operation oxide patent Philadelphia phosphate phosphoric acid pipes pounds practice precipitation present pressure produced pump quantity ratio ship soda solution square standard steam engine steel straight edges supply surface taken temperature tg ẞ tion TOOL STEEL tube vessel wastes Weather Bureau weight Wellsboro York
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Էջ 433 - And, he gave it for his opinion, that, whoever could make two ears of corn, or two blades of grass, to grow upon a spot of ground where only one grew before, would deserve better of mankind, and do more essential service to his country, than the whole race of politicians put together.
Էջ 34 - I intend in many cases to employ the expansive force of steam to press on the pistons, or whatever may be used instead of them, in the same manner as the pressure of the atmosphere is now employed in common fire-engines.
Էջ 441 - The Government then of the United States can claim no powers which are not granted to it by the Constitution; and the powers actually granted must be such as are expressly given, or given by necessary implication.
Էջ 307 - Mendeleeff, which states that the properties of the elements are periodic functions of their atomic weights.
Էջ 443 - Any person who has invented or discovered any new and useful art, machine, manufacture, or composition of matter...
Էջ 356 - With the standards of the people plunging through the thunder-storm; Till the war-drum throbbed no longer, and the battle flags were furled In the Parliament of man, the Federation of the world.
Էջ 439 - Provided also, and be it declared and enacted, That any declaration before mentioned shall not extend to any letters patents and grants of privilege for the term of fourteen years or under, hereafter to be' made, of the sole working or making of any manner of new manufactures within this realm...
Էջ 440 - ... any manner of new manufactures within this realm to the true and first inventor and inventors of such manufactures, which others at the time of making such Letters...
Էջ 440 - ... and grants shall not use, so as also they be not contrary to the law nor mischievous to the state, by raising prices of commodities at home, or hurt of trade, or generally inconvenient, the said fourteen years to be accounted from the date of the first letters...
Էջ 443 - ... not patented or described in any printed publication in this or any foreign country before his invention thereof, or more than two years prior to his application, and not in public use or on sale in this country for more than two years prior to his application, unless the same is proved to have been abandoned, may, upon payment of the fees required by law and other due proceedings had.