The Emporium of Arts and Sciences, 2. sējumsJohn Redman Coxe, Thomas Cooper Joseph Delaplaine, 1813 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. |
No grāmatas satura
1.–5. rezultāts no 44.
81. lappuse
... wheel fixed on the axis of the fly , and another fixed on the rod that is connected to the lever , by which means the fly makes one entire revolution , while the engine makes but one stroke ; and thus the fly makes as many revolu- tions ...
... wheel fixed on the axis of the fly , and another fixed on the rod that is connected to the lever , by which means the fly makes one entire revolution , while the engine makes but one stroke ; and thus the fly makes as many revolu- tions ...
84. lappuse
... wheels W , W ; these two equal wheels work into each other , and one of them drives the pinion C upon the same axis as the fly - wheel O ; thus communicating the rotatory motion to the other parts of the machinery . ( Hitherto from ...
... wheels W , W ; these two equal wheels work into each other , and one of them drives the pinion C upon the same axis as the fly - wheel O ; thus communicating the rotatory motion to the other parts of the machinery . ( Hitherto from ...
94. lappuse
... wheels , produced a ro- tative motion , in the same direction , by both the ascend- ing and descending stroke of the arch ; and , by shifting the ratchets , the motion could be reversed at pleasure . This engine had no fly - wheel , and ...
... wheels , produced a ro- tative motion , in the same direction , by both the ascend- ing and descending stroke of the arch ; and , by shifting the ratchets , the motion could be reversed at pleasure . This engine had no fly - wheel , and ...
95. lappuse
... wheel , which we be- lieve was then for the first time employed in the steam engine , though it is evident , from the letter we have quot- ed from Mr. Watt to Dr. Small , that the former had con- ceived the idea long previous to this ...
... wheel , which we be- lieve was then for the first time employed in the steam engine , though it is evident , from the letter we have quot- ed from Mr. Watt to Dr. Small , that the former had con- ceived the idea long previous to this ...
96. lappuse
... wheel round another . These and the crank were indifferently used in his en- gines , without any molestation on the part of the pirati- cal patentee . This , however , was only a part of what Mr. Watt saw to be necessary , in order to ...
... wheel round another . These and the crank were indifferently used in his en- gines , without any molestation on the part of the pirati- cal patentee . This , however , was only a part of what Mr. Watt saw to be necessary , in order to ...
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acres admitted amount annuities applied atmosphere average bank Bank of England boiler boiling bottom Boulton and Watt bricks Britain British caloric capital coal common condenser consolidated fund construction consumed cotton cylinder debt degree ditto duty elastic employed England equal estimated exchequer bills expansive force expence experiment exported Fahrenheit fire fluid force of steam foreign commerce foreign trade fuel fund furnace George II give glue heat horse imported improvements inches of mercury increase invention Ireland isinglass labour loan machine manufacture means ment mercury millions motion navy nearly Oliver Evans patent Peace of Ryswick person pipe piston plate pounds present pressure principle produce quantity raised Scotland smoke square miles steam engine sterling supply taxes temperature three per cent tion tube valve vapour vessel Watt Watt's weight wheel whole wine Woolf
Populāri fragmenti
329. lappuse - 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...
260. lappuse - The House having resolved itself into a Committee of Ways and Means, The Chancellor of the Exchequer...
329. lappuse - 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...
446. lappuse - 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.
428. lappuse - ... 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...
446. lappuse - 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.
447. lappuse - 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,...
438. lappuse - ... 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...
435. lappuse - 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...
436. lappuse - 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...