Journal of the Franklin Institute, Volume 9Vols. 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 20
These pieces were reduced , by filius , to a proper cross section , and placed in the apparatus belonging to the Franklin Institute , when the breaking weights were found to be as follows : 1 Across the grain , ŞBreaking weight 51.120 ...
These pieces were reduced , by filius , to a proper cross section , and placed in the apparatus belonging to the Franklin Institute , when the breaking weights were found to be as follows : 1 Across the grain , ŞBreaking weight 51.120 ...
Page 51
... whilst the shaft remains vertical , so that a weight , whether water , or animal , or any other ponderous body , traveling around on the wheel , will cause every portion of its circumference in succession to descend to the lowest ...
... whilst the shaft remains vertical , so that a weight , whether water , or animal , or any other ponderous body , traveling around on the wheel , will cause every portion of its circumference in succession to descend to the lowest ...
Page 65
... or the rope may be passed over a pulley , and be drawn upon by a weight affixed to its end . " Claim . — What I claim as new , is the combining of the scroll , or fuzee , wheel with the screw , by placing the former on the shaft of ...
... or the rope may be passed over a pulley , and be drawn upon by a weight affixed to its end . " Claim . — What I claim as new , is the combining of the scroll , or fuzee , wheel with the screw , by placing the former on the shaft of ...
Page 66
... and that it has been weighted by attaching weights to the top thereof , and hence I do not claim for these things ... I claim regulating the weight and friction of the upper stone , or runner , by placing semi - circular weights in ...
... and that it has been weighted by attaching weights to the top thereof , and hence I do not claim for these things ... I claim regulating the weight and friction of the upper stone , or runner , by placing semi - circular weights in ...
Page 76
The average weight of merchandize conveyed in each train exceeds one hundred tons , and the haulage of this for one mile is ef : fected by the consumption of less than one - half cwt . of coal ; consequently , the power of hauling one ...
The average weight of merchandize conveyed in each train exceeds one hundred tons , and the haulage of this for one mile is ef : fected by the consumption of less than one - half cwt . of coal ; consequently , the power of hauling one ...
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Popular passages
Page 258 - Having now particularly described and ascertained the nature of my said invention and in what manner the same is to be performed, I declare that what I claim is (d).
Page 43 - Happy is the man that findeth wisdom, and the man that getteth understanding. For the merchandise of it is better than the merchandise of silver, and the gain thereof than fine gold.
Page 153 - Committee appointed to inquire into the merits of the atmospheric system of railway have examined the matters to them referred, and have agreed to the following Report. Your Committee have given their best attention to this interesting subject.
Page 105 - ... constructed and arranged substantially in the manner and for the purpose herein set forth.
Page 305 - Ocean, the first thing which strikes us is, that, the north-east and south-east monsoons, which are found the one on the north and the other on...
Page 371 - 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 266 - 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 177 - ... with the solid portion of the coal. From the chemical changes which take place in the combination of the hydrogen with oxygen, the bulk of the products is found to be to the bulk of the atmospheric air required to furnish the oxygen, as 10 is to 11.
Page 99 - Having thus fully described my invention, what I claim therein as new, and desire to secure by letters patent, is...