Journal of the Franklin Institute, Volume 9Pergamon Press, 1845 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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Results 1-5 of 100
Page 1
... experiments were necessary to determine this . When Sir Humphrey Davy discovered what led to the formation of the safety lamp , it appeared a trifling matter , but it cost this dis- tinguished man of science much time and labor . The ...
... experiments were necessary to determine this . When Sir Humphrey Davy discovered what led to the formation of the safety lamp , it appeared a trifling matter , but it cost this dis- tinguished man of science much time and labor . The ...
Page 8
... experiments , made by Ithamar A. Beard , on the Breast Water - Wheels , driving one of the Hamilton mills , at Lowell , Massachusetts . There were three water - wheels in this mill , each thirteen feet in diameter , and fourteen feet ...
... experiments , made by Ithamar A. Beard , on the Breast Water - Wheels , driving one of the Hamilton mills , at Lowell , Massachusetts . There were three water - wheels in this mill , each thirteen feet in diameter , and fourteen feet ...
Page 9
... experiments recently made upon the continent of Europe , develope the singular result , that when nicely constructed , simple breast water - wheels may realize a coefficient of effect of more than eighty per cent ! In other words , that ...
... experiments recently made upon the continent of Europe , develope the singular result , that when nicely constructed , simple breast water - wheels may realize a coefficient of effect of more than eighty per cent ! In other words , that ...
Page 11
... experiments with the friction brake have been made on the wheel in action . The brake used is that of the establishment of Bitschwiller , which M. M. Stehelin and Huber have had the kindness to loan us , and which has been applied under ...
... experiments with the friction brake have been made on the wheel in action . The brake used is that of the establishment of Bitschwiller , which M. M. Stehelin and Huber have had the kindness to loan us , and which has been applied under ...
Page 12
... experiments . Below , when the wheel was stopped , the water backed up to the lower extremity of the inclined plane ... experiment ; but of all the means usually adopted , this , which is 12 Civil Engineering .
... experiments . Below , when the wheel was stopped , the water backed up to the lower extremity of the inclined plane ... experiment ; but of all the means usually adopted , this , which is 12 Civil Engineering .
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acid ammonia apparatus applied arrangement atmosphere attached boiler bottom cane sugar carbonic carbonic acid carriage cast iron cause cent centre chamber Claim.-"What I claim coal color combination committee connected consists constructed copper cutter cylinder daguerreotype deposited described desire to secure dextrin diameter effect employed engine exhibited experiments explosion feet fire flue force frame FRANKLIN INSTITUTE friction furnace gases glass heat horizontal hydrogen improvement inches inclined plane invention iron joint letters patent lever liquid machine manner manufacture means metal mode molasses operation oven oxide pass Philadelphia piece pipe piston placed plate present pressure produced puddling furnace purpose quantity rails railway rollers screw secure by letters shaft side slide solution specimens steam stove substantially sugar sulphuric acid surface temperature thickness Third Premium tion tons tube upper valve velocity vertical vessel weight wheel whole wood zinc
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...