Newton's London Journal of Arts and Sciences: Being Record of the Progress of Invention as Applied to the Arts..., Band 22 |
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Seite 484
The three general laws of friction , as established by the best experiments , are ,
— 1st . That the friction caused by one solid body rubbing upon another , is
independent of the velocity with which the rubbing surface moves . 2nd . It is also
...
The three general laws of friction , as established by the best experiments , are ,
— 1st . That the friction caused by one solid body rubbing upon another , is
independent of the velocity with which the rubbing surface moves . 2nd . It is also
...
Seite 485
This difference being so trifling , it is contended that the objection to the direct -
action engine , on the ground of its alleged increased friction , has , when
investigated , no adequate foundation . 21 Mr . Field believed that the paper was
correct ...
This difference being so trifling , it is contended that the objection to the direct -
action engine , on the ground of its alleged increased friction , has , when
investigated , no adequate foundation . 21 Mr . Field believed that the paper was
correct ...
Seite 486
due area , the surfaces would cut into each other , become rough , and thus
increase the friction : on the other hand , if the surfaces were unduly enlarged ,
there must be a loss from the additional amount of friction caused by the
extended ...
due area , the surfaces would cut into each other , become rough , and thus
increase the friction : on the other hand , if the surfaces were unduly enlarged ,
there must be a loss from the additional amount of friction caused by the
extended ...
Seite 488
The whole friction of an engine at work , with its load upon it , might be divided
into two distinct parts . 1st . The friction due to the engine itself , or such as would
be produced by the working of the engine , if unloaded . 2nd . The additional ...
The whole friction of an engine at work , with its load upon it , might be divided
into two distinct parts . 1st . The friction due to the engine itself , or such as would
be produced by the working of the engine , if unloaded . 2nd . The additional ...
Seite 493
the amount of friction was then deduced from the angle of inclination that had
been given to the plane : from this mode , it was contended that no definite laws
could be laid down . Mr. Murray acknowledged that on dry surfaces , within
certain ...
the amount of friction was then deduced from the angle of inclination that had
been given to the plane : from this mode , it was contended that no definite laws
could be laid down . Mr. Murray acknowledged that on dry surfaces , within
certain ...
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Seite 225 - Ibid. sec. 4. avoiding unnecessary prolixity, as to enable any person skilled in the art or science to which it appertains, or with which it is most nearly connected, to make, construct, compound, and use the same...
Seite 229 - Every patent so reissued, together with the corrected specification, shall have the same effect and operation in law, on the trial of all actions for causes thereafter arising, as if the same had been originally filed in such corrected form...
Seite 233 - And it shall be the duty of said judge, after a hearing of any such case, to return all the papers to the Commissioner, with a certificate of his proceedings and decision, which shall be entered of record in the Patent Office ; and such decision, so certified shall govern the further proceedings of the Commissioner in such case ; Provided, however, That no opinion or decision of the judge in any such case, shall preclude any person interested in favor...
Seite 222 - That any person or persons having discovered or invented any new and useful art, machine, manufacture, or composition of matter, or any new and useful improvement on any art, machine, manufacture, or composition of matter...
Seite 232 - States for one year next preceding, and shall have made oath of his intention to become a citizen thereof...
Seite 225 - And in the case of any machine, he shall fully explain the principle, and the several modes in which he has contemplated the application of that principle or character, by which it may be distinguished from other inventions...
Seite 230 - Whenever an application shall be made for a patent, which in the opinion of the Commissioner, would interfere with any other patent for which an application may be pending, or with any unexpired patent which shall have been granted, it shall be the duty of the Commissioner to give notice thereof to such applicants, or. patentees, as the case may be ; and if either shall be dissatisfied with the decision of the Commissioner on the question of priority of right or invention, on a hearing thereof, he...
Seite 226 - The applicant shall also make oath, or affirmation, that he does verily believe that he is the original and first inventor or discoverer of the art, machine, composition, or improvement, for which he solicits a patent ; and that he does not know or believe that the same was ever before known or used...
Seite 224 - ... the right of applying for and obtaining such patent shall devolve on the executor or administrator of such person, in trust for the heirs at law of the deceased, in case he shall have died intestate; but if otherwise, then in trust for his devisees...
Seite 237 - ... original impression or ornament, or to be placed on any article of manufacture, the same being formed in marble or other material, or any new and useful pattern, or print, or picture, to be either worked into or worked on, or printed or painted or cast or otherwise fixed on, any article of manufacture...