The Emporium of Arts and Sciences, Հատոր 2
Contains instructional essays on a wide range of topics, including, but not limited to: the art of making gun flints, the construction of a movable table for the use of engravers, preparing ox-gall, blowing up rocks under water, the manufacture of iron and steel wire and gilt buttons, methods of telegraphic signalling (including smoke signals), and methods for preparing varnishes. Also contains numerous reports on topics such as: spontaneous combustion, the effect of magnetism on time-pieces, the remains of a woolly mammoth, the wines and champagne of France, the construction of theaters (and their acoustical properties), the qualities of rapeseed oil, and many other topics.
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acres admitted amount applied arithmetical mean atmosphere bank Bank of England beam boiler boiling bottom Boulton and Watt Britain British caloric capital cause cent coals cock communication condenser construction consumed cotton cylinder debt degrees effect elastic force employed England equal ether expansive force expence experiment exported Fahrenheit fire Florence flask fluid force of steam force of vapour foreign commerce foreign trade fuel fund furnace gine heat home trade horse improvements inches of mercury increase Ireland labour liquid manufactures means ments merchants millions motion nearly patent pipe piston plate pounds the square present pressure produce quantity of caloric quicksilver raised shew shut smaller cylinder smoke spirit of wine square inch square miles steam engine steam vessel stroke supply temperature thermometer tion tube vacuum valve Watt Watt's weight wheel whole wine
Էջ 330 - An Act for the encouragement of learning, by securing the copies of maps, charts, and books, to the authors and proprietors of such copies during the times therein mentioned." And also to the act, entitled " An Act supplementary to an Act, entitled, " An Act for the encouragement of learning, by securing the copies of maps, charts, and books, to the authors and proprietors of such copies during the time therein mentioned," and extending the benefits thereof to the arts of designing, engraving, and...
Էջ 330 - Co. of the said district, have deposited in this office the title of a book, the right whereof they claim as proprietors, in the words following, to wit : " Tadeuskund, the Last King of the Lenape. An Historical Tale." In conformity to the Act of the Congress of the United States...
Էջ 446 - He who receives an idea from me receives instruction himself without lessening mine ; as he who lights his taper at mine receives light without darkening me.
Էջ 428 - ... any declaration before mentioned shall not extend to any letters patent 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 to the true and first inventor and inventors of such manufactures, which others at the time of making such letters patents 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...
Էջ 446 - That ideas should freely spread from one to another over the globe for the moral and mutual instruction of man and improvement of his condition, seems to have been peculiarly and benevolently designed by nature when she made them, like fire expansible over all space, without lessening their density in any point; and like the air in which we breathe, move, and have our physical being, incapable of confinement or exclusive appropriation. Inventions then cannot in nature be a subject of property.
Էջ 447 - Accordingly, it is a fact, as far as I am informed, that England was, until we copied her, the only country on earth which ever, by a general law, gave a legal right to the exclusive use of an idea. In some other countries it is sometimes done, in a great case, and by a special and personal act, but, generally speaking, other nations have thought that these monopolies produce more embarrassment than advantage to society ; and it may be observed that the nations which refuse monopolies of invention,...
Էջ 438 - ... he shall have died intestate ; but if otherwise, then in trust for his devisees, in as full and ample manner, and under the same conditions, limitations, and restrictions, as the same was held, or might have been claimed or enjoyed by such person in his or her lifetime...
Էջ 435 - March one thousand eight hundred and thirty-one, the full and exclusive right and liberty of making, constructing, using and vending to others to be used, the said improvement...
Էջ 436 - He shall, furthermore, accompany the whole with a drawing, or drawings, and written references, where the nature of the case admits of drawings, or with specimens of ingredients, and of the composition of matter, sufficient in quantity for the purpose of experiment, where the invention or discovery is of a composition of matter...