The Franklin Journal, and American Mechanics' Magazine1842 |
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Seite 3
... equal to 135 per square mile . Only a part of the Austrian empire belongs to Germany ; the area of the Austrian German provinces is 79,880 square miles , and their population , 11,613,280 . The standing army of Austria consists in ...
... equal to 135 per square mile . Only a part of the Austrian empire belongs to Germany ; the area of the Austrian German provinces is 79,880 square miles , and their population , 11,613,280 . The standing army of Austria consists in ...
Seite 8
... equal to 3.16 cents per ton per mile . Up to Neustadt the charge is only eleven dollars per load , or eighty cents per ton = 2.11 cents per ton per mile - 6,000 bricks are reckoned a load . There are carried annually , over the canal ...
... equal to 3.16 cents per ton per mile . Up to Neustadt the charge is only eleven dollars per load , or eighty cents per ton = 2.11 cents per ton per mile - 6,000 bricks are reckoned a load . There are carried annually , over the canal ...
Seite 15
... equal in altitude to the maximum wave which assails the work , and which force we can estimate ; the other is the horizontal force due to the progressive motion of the billows , the extent of which we have no means of determining . We ...
... equal in altitude to the maximum wave which assails the work , and which force we can estimate ; the other is the horizontal force due to the progressive motion of the billows , the extent of which we have no means of determining . We ...
Seite 16
... equal the gravity of a mass of stone weigh- ing 175 lbs . to the foot , if the vertical thickness of the latter were = 20 97 * but or near seven and a half feet ; consequently , if the depth or 2-10 , thickness of the mass of stone were ...
... equal the gravity of a mass of stone weigh- ing 175 lbs . to the foot , if the vertical thickness of the latter were = 20 97 * but or near seven and a half feet ; consequently , if the depth or 2-10 , thickness of the mass of stone were ...
Seite 20
... equal to 11 + 7 , or 19 feet , measured vertically . In the nature of things , however , we cannot suppose that the whole pressure of the atmosphere would ever be removed from any point of the summit of a Breakwater whilst a wave of the ...
... equal to 11 + 7 , or 19 feet , measured vertically . In the nature of things , however , we cannot suppose that the whole pressure of the atmosphere would ever be removed from any point of the summit of a Breakwater whilst a wave of the ...
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ammonia apparatus applied arrangement attached axle boiler bottom bridge carbonic acid cars cast iron cent centre Certificate of Honorable chimney claim Clear Cloudy combination Committee constructed copper cost curved cylinder described desire to secure diameter driving wheels effect employed experiments feet fire flue frame Franklin Institute furnace heat Honorable Mention horizontal improvement inches invention joint length letters patent lever locomotive lower machine manner manufacture mastic means ment metal miles mode motion nitric acid operation oven oxide pass Pennsylvania Philadelphia pieces pipe piston placed plate present pressure produced puddling furnace purpose quantity rail railroad railway reaction wheel revolving road roller screw secure by letters shaft side slide spring steam stone stove sulphuric acid surface thickness timber tion tons truss tube turbine upper valve velocity vertical vessel water wheels weight white lead whole wrought iron
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Seite 322 - ... any new and 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...
Seite 29 - Be it known that I, John Fitch, of Philadelphia, in the county of Philadelphia, the State of Pennsylvania, have invented a new and improved mode of preventing steam-boilers from bursting, and I do hereby declare that the following is a full and exact description thereof, reference being had to the accompanying drawings, and to the letters of reference marked thereon.
Seite 84 - The Committee on Science and the Arts, constituted by the Franklin Institute of the State of Pennsylvania for the promotion of the Mechanic Arts, to whom was referred for examination, two reflecting telescopes, made by Mr.
Seite 100 - What I claim as constituting my invention, and desire to secure by letters patent, is the preparing of the puddler's balls as they are delivered from the puddling furnace, or of other similar masses of iron, by causing them to pass between a revolving cylinder and a curved segmental trough adapted thereto, constructed and operating substantially in the manner of that...
Seite 107 - We are of opinion that if the result produced by such a combination is either a new article, or a better article, or a cheaper article to the public, than that produced before by the old method, that such combination is an invention or manufacture intended by the statute, and may well become the subject of a patent.
Seite 236 - I claim the manner in which the bricks are received, compressed, and delivered ; but what I do claim as my invention, and which I desire to secure by letters patent, is the...
Seite 259 - I claim as new therein, and desire to secure by letters patent is, the manner in which I have arranged and combined with each other Ihe breaking rollers and the screen; the respective parts being formed and operating substantially as herein set forth and made known.
Seite 321 - And be it further enacted, That all patentees and assignees of patents hereafter granted, are hereby required to stamp, engrave, or cause to be stamped or engraved, on each article vended, or offered for sale, the date of the patent; and if any person or persons, patentees or assignees, shall neglect to do so, he, she, or they, shall be liable to the same penalty, to be recovered and disposed of in the manner specified in the foregoing fifth section of this act.
Seite 85 - The Committee on Science and the Arts constituted by the Franklin Institute of the State of Pennsylvania, for the promotion of the Mechanic Arts, to whom was referred for examination a Solar Compass, invented by WM.
Seite 17 - What I claim as my invention, and which I desire to secure by letters patent, is the combination of the conical rim at the bottom of the globe, with the inverted cone regulator, or button, and adjustable cylinder, adapted to, and combined with, the wick case, as set forth.'* • 24.