Journal of the Franklin Institute

Pirmais vāks
Franklin Institute, 1829
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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Populāri fragmenti

327. lappuse - One vessel of water rarefied by fire driveth up forty of cold water ; and a man that tends the work is but to turn two cocks, that, one vessel of water being consumed, another begins to force and refill with cold water, and so successively, the fire being tended and kept constant, which the selfsame person may likewise abundantly perform in the interim, between the necessity of turning the said cocks.
327. lappuse - I have taken a piece of a whole cannon, whereof the end was burst, and filled it three-quarters full of water, stopping and screwing up the broken end ; as also the touch-hole, and making a constant fire under it ; within twenty-four hours it burst and made a great crack.
156. lappuse - Go, from the creatures thy instructions take : Learn from the birds what food the thickets yield ; Learn from the beasts the physic of the field: Thy arts of building from the bee receive; Learn of the mole to plough, the worm to weave ; Learn of the little nautilus to sail ; Spread the thin oar, and catch the driving gale...
189. lappuse - If an inventor should be permitted to hold back from the knowledge of the public the secrets of his invention ; if he should, for a long period of years, retain the monopoly, and make and sell his invention publicly, and thus gather the whole profits of it, relying upon his superior skill and knowledge of the structure; and then, and then only, when the danger of competition should force him to secure the exclusive right...
89. lappuse - I would not enter on my list of friends (Though graced with polished manners and fine sense Yet wanting sensibility) the man Who needlessly sets foot upon a worm. An inadvertent step may crush the snail That crawls at evening in the public path, But he that has humanity, forewarned, Will tread aside, and let the reptile live.
327. lappuse - ... stopping and screwing up the broken end, as also the touch-hole, and, making a constant fire under it, within twenty-four hours it burst, and made a great crack...
190. lappuse - ... the court say that his case is, nevertheless, such as the act was intended to protect ? If such a public use is not a use within the meaning of the statute, what other use is?
189. lappuse - ... had been described in some public work anterior to the supposed discovery of the patentee...
172. lappuse - TAKING wheels completely in the abstract, they must be considered as answering two different purposes. First, they transfer the friction which would take place between a sliding body and the comparatively rough uneven surface over which it slides, to the smooth oiled peripheries of the axis and box, where the absolute quantity of the friction as opposing resistance is also diminished by leverage, in the proportion of the wheel to that of the axis. Secondly, they procure mechanical advantage for overcoming...
327. lappuse - An admirable and most forcible way to drive up water by fire, not by drawing or sucking it upwards, for that must be as the philosopher calleth it, infra spheeram activitatis, which is but at such a distance. But this way hath no bounder, if the vessels be strong enough ; for I have taken a piece of a whole cannon, whereof the end was burst, and filled it...

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