The Franklin Journal, and American Mechanics' Magazine1842 |
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Page 3
... centre port for the Indian trade , before the passage round the Cape of Good Hope was discovered , is now of minor importance , although it has been a free port several years ; it exports the products of the Italian provinces . Fiume ...
... centre port for the Indian trade , before the passage round the Cape of Good Hope was discovered , is now of minor importance , although it has been a free port several years ; it exports the products of the Italian provinces . Fiume ...
Page 12
... centre of the top a stone pier was erected , its shape , a frustrum of a pyramid , 14 feet long , two and a half feet square in the middle , and weighing seven tons ; this was firmly se- cured on every side by split stone stays of one ...
... centre of the top a stone pier was erected , its shape , a frustrum of a pyramid , 14 feet long , two and a half feet square in the middle , and weighing seven tons ; this was firmly se- cured on every side by split stone stays of one ...
Page 27
... centre to centre , until their resistance to the ram denotes that all chance of future yielding is prevented . Their heads will be left but some three inches above ground . As the soil of all my embank- ments is a very firm gravely loam ...
... centre to centre , until their resistance to the ram denotes that all chance of future yielding is prevented . Their heads will be left but some three inches above ground . As the soil of all my embank- ments is a very firm gravely loam ...
Page 52
... centres of the respective flames , from the centre of the photometer , when the lights were equalised , ) was 702.25 for the gas ; 1482.25 for the chemi- cal oil ; or a little more than two to one in favour of the chemical oil . By the ...
... centres of the respective flames , from the centre of the photometer , when the lights were equalised , ) was 702.25 for the gas ; 1482.25 for the chemi- cal oil ; or a little more than two to one in favour of the chemical oil . By the ...
Page 56
... centre of vibration of the double lever corresponding to the centre of the circle forming the outer peripheries of the cutters . Two similar cutters , ar- ranged in the same manner , are placed below , so that when the two sets of ...
... centre of vibration of the double lever corresponding to the centre of the circle forming the outer peripheries of the cutters . Two similar cutters , ar- ranged in the same manner , are placed below , so that when the two sets of ...
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Common terms and phrases
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
Popular passages
Page 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...
Page 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.
Page 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.
Page 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...
Page 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.
Page 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...
Page 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.
Page 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.
Page 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.
Page 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.