Journal of the Franklin Institute of the State of Pennsylvania for the Promotion of the Mechanic Arts: Devoted to Mechanical and Physical Science, Civil Engineering, the Arts and Manufactures, and the Recording of American and Other Patent InventionsFranklin Institute, 1832 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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acid aperture apparatus applied August 23 axis axles bars beam boat boiler borax bottom rib cast iron centre circular claim cock colour committee common compression construction cylinder deflection described dew point diameter distance drawing DUDLEY MARVIN edge effect elastic equal exhibited experiments explosion feet fire flues fluid force frame Franklin Institute friction furnace gudgeons head heat holes horses improvement inches inclined plane increased invention July 20 length lever machinery manner manufacture means metal mill mode motion mould nearly operation pass patent piece pipe piston placed plate pounds present pressure principle produce pump purpose quantity rail-way ratio resistance revolving rollers safety valve screw September 28 shaft side specification steam carriages steam engine strength sulphuric acid surface thickness Thrashing Machine tion tube upper velocity vertical vessel weight raised wheel wrought iron
Popular passages
Page 134 - Description and Draught of a new-invented MACHINE for carrying vessels or ships out of or into any harbour, port or river, against wind and tide, or in a calm...
Page 397 - Now know ye, that in compliance with the said proviso, I, the said Jacob Perkins, do hereby declare the nature of my said invention, and the manner in which the same is to be performed, are particularly described and ascertained in and by the following description thereof, reference being had to the drawings hereunto annexed, and to the figures and letters marked thereon...
Page 162 - These inquiries have led the Committee to believe that the substitution of inanimate for animal power, in draught on common roads, is one of the most important improvements in the means of internal communication ever introduced. Its practicability they consider to have been fully established ; its general adoption will take place more or less rapidly, in proportion as the attention of scientific men shall be drawn by public encouragement to further improvement.
Page 172 - That carriages can be propelled by steam on common roads at an average rate often miles per hour. "2. That at this rate they have conveyed upwards of fourteen passengers. " 3. That their weight, including engine, fuel, water and attendants, may be under three tons. " 4. That they can ascend and descend hills of considerable inclination with facility and safety. " 5. That they are perfectly safe for passengers. •
Page 39 - Now Know Ye, that in compliance with the said proviso, I, the said Adolphe Nicole, do hereby declare that the nature of my said Invention, and the manner in which the same is to be performed, are particularly described and ascertained in and by the following statement thereof, reference being had to the Drawing hereunto annexed, and to the figures and letters marked thereon...
Page 174 - King, and the other half to him that will sue for the same, to be recovered in an action of debt in any court of record in the united kingdom, with full costs of suit.
Page 306 - Perhaps one of the principal advantages resulting from the use of steam will be, that it may be employed as cheaply at a quick as at a slow rate ; ' this is one of the advantages over horse labour, which becomes more and more expensive, as the speed is increased. There is every reason to expect, that in the end, the rate of travelling by steam will be much quicker than the utmost speed of travelling by horses ; in short, the safety to travellers will become the limit to speed.
Page 337 - Tolls, to an amount which would utterly prohibit the introduction of steam carriages, have been imposed on some roads; on others, the trustees have adopted modes of apportioning the charge which would be found, if not absolutely prohibitory, at least to place such carriages in a very unfair position as compared with ordinary coaches.
Page 43 - Having thus described the nature of my invention, and the manner of carrying the same into effect, I would have it understood, that I do not...
Page 163 - He states, that although a part of the machinery which brings both the propelling wheels into action when the full power of the engine is required, was broken at the onset, yet that, on his return, he performed the last eighty-four miles, from Melksham to Cranford bridge, in ten hours, including stoppages.