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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Page 4
... passing through the fuel at the entrance . Neither has any notice been taken of the fact that the gases which pass up the chimney , after having performed the office of combustion , are always of greater weight than the air which enters ...
... passing through the fuel at the entrance . Neither has any notice been taken of the fact that the gases which pass up the chimney , after having performed the office of combustion , are always of greater weight than the air which enters ...
Page 23
... pass through the change , and hence produce the most violent effect even after the breach may be made . This accounts , to my satisfaction at present , for the perplexing things observed in these strange accidents : such as the loss of ...
... pass through the change , and hence produce the most violent effect even after the breach may be made . This accounts , to my satisfaction at present , for the perplexing things observed in these strange accidents : such as the loss of ...
Page 38
... pass 151 inches above the centre of the shaft . 15 16 17 18 TABLE Q. CHUTE NO . 6. - Centre buckets . No. of Exper't . above . Bum . Top Btm . of of of gate . bkt . bkt . Head and fall . Feet . Feet . Feet . In . Pds . Pds . Pounds ...
... pass 151 inches above the centre of the shaft . 15 16 17 18 TABLE Q. CHUTE NO . 6. - Centre buckets . No. of Exper't . above . Bum . Top Btm . of of of gate . bkt . bkt . Head and fall . Feet . Feet . Feet . In . Pds . Pds . Pounds ...
Page 39
... pass 15 inches below 1122687 342046.304.304 10.86 the centre of the shaft . 9.77 7175 1273562 385468.302 10 4.34 5.40 5.40 1.75 566 48.95 614.95 41.5 43 9.09 7550 8.00 604000 255204.422 No. of Exper't . [ TO BE CONTINUED . ] 1 2 3 → 5 ...
... pass 15 inches below 1122687 342046.304.304 10.86 the centre of the shaft . 9.77 7175 1273562 385468.302 10 4.34 5.40 5.40 1.75 566 48.95 614.95 41.5 43 9.09 7550 8.00 604000 255204.422 No. of Exper't . [ TO BE CONTINUED . ] 1 2 3 → 5 ...
Page 52
... pass from one circular head to another , on a revolving shaft ; but they are not fixed immoveably to these heads as is ordinarily done , but each of them works upon joints at their ends , allowing them to give way in passing over the ...
... pass from one circular head to another , on a revolving shaft ; but they are not fixed immoveably to these heads as is ordinarily done , but each of them works upon joints at their ends , allowing them to give way in passing over the ...
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Common terms and phrases
acid apparatus applied axis beam boat boiler bottom rib cast iron cause centre chimney circular claim cock colour committee common construction copper cylinder described dew point diameter distance drawing edge effect elastic equal experiments explosion feet fire flue force four frame FRANKLIN INSTITUTE friction furnace give gudgeons heat holes horses improvement inches inches of mercury increased invention July 20 length lever machinery manner manufacture means metal mill mode motion mould Oneida county operation pass patent piece pipe piston placed plane plate pounds present pressure principle produced proper pump purpose quantity revolve road rollers safety valve screw shaft side square steam carriages steam coaches steam engine steel stone strength sulphuric acid surface temperature thickness tion toll tube turned upper velocity vertical vessel weight wheel wire wrought iron
Popular passages
Page 136 - 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 399 - 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 164 - 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 174 - 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 41 - 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 176 - 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 308 - 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 339 - 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 45 - 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 165 - 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.