Journal of the Franklin Institute, Band 31;Band 61

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Vols. 1-69 include more or less complete patent reports of the U. S. Patent Office for years 1825-59. Cf. Index to v. 1-120 of the Journal, p. [415]
 

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Seite 315 - I ask a patent, is, the before-described manner of arranging and connecting the eight wheels, which constitute the two bearing carriages, with a railroad car, so as to accomplish the end proposed by the means set forth, or by any others which are analogous and dependent upon the same principles.
Seite 141 - ... for machine shops; for beating cop per, or crushing stone, &c., &c., The form of the side frames can be altered to suitcir cuinstances, so as to allow free access on all sides. 4th, It requires no Steam Engine to work it; hence the friction and other lossesincident to the ordinary hammer are materially reduced.
Seite 441 - Ibs., falling 1$ ft., to 6 tons, falling 6 feet. They can, therefore, confidently urge its merits upon the trade, and are provided with certificates in its favor from many parties, (who have one or more in use,) which will be shown upon application. The advantages of this Hammer over all other forms...
Seite 61 - It having occurred to me that, if my theory was true, namely, "that the phenomena of the aurora borealis were occasioned by the action of the sun, when below the pole, on the surrounding masses of coloured ice, by its rays being reflected from the points of incidence to clouds above the pole which were before invisible...
Seite 58 - ... sometimes even so as to form a horizontal ring of liquid high up round the interior of the vessel, and thicker than that by which the interior of the vessel was wet. Then the tendency is for the various parts of this ring or line to run together to those parts which happen to be most watery, and so...
Seite 58 - ... streams descending from it like a fringe from a curtain. He gave another striking illustration by pouring water on a flat silver tray, previously carefully cleaned from any film which could hinder the water from thoroughly wetting the surface. The water was about one-tenth of an inch deep. Then, on a little alcohol being laid down in the middle of the tray, the water immediately rushed away from the middle, leaving a deep hollow there, which laid the tray bare of all liquid, except an exceedingly...
Seite 441 - Up to the present time there have been made by the Patentees in England, for that country and the Continent of Europe, between two hundred and fifty and three hundred hammers, for Government, Railway...
Seite 141 - They can, therefore, confidently urge its merits upon the trade, and are provided with certificates in its favor from many parties, (who have one or more Ln use,) which will be shown upon application,. The advantages of this Hammer over all other forms are as follows: — 1st, The Ram falling vertically, the surfaces of the...
Seite 213 - The intensity of the blow may be modified instantly by the attendant, so as to suit the work; and the Ram may in like manner be arrested in its descent at any point, so that it is more completely under control than any other form known. 3d, It may be adapted to any description of work, whether for hammering...
Seite 213 - ... than any other form known. 3d, It may be adapted to any description of work, whether for hammering blooms, making heavy forgings, or the ordinary light forgings for machine shops; for beating...

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