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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Page 3
... length- ened , and Reflections prolonged . — The learned doctor , in his further depositions , recommends that the reflections of speech , in the Houses of Parliament , should be taken from the ceilings , transversely to the direction ...
... length- ened , and Reflections prolonged . — The learned doctor , in his further depositions , recommends that the reflections of speech , in the Houses of Parliament , should be taken from the ceilings , transversely to the direction ...
Page 6
... length , and half this width , and that the speaker is placed in one end against the wall , the sound of his voice passes by the atoms of the solids in the walls to the other end of the room , when it is only a few feet from his mouth ...
... length , and half this width , and that the speaker is placed in one end against the wall , the sound of his voice passes by the atoms of the solids in the walls to the other end of the room , when it is only a few feet from his mouth ...
Page 13
... length of bucket in this wheel is about 124 feet ; and that its available force with the entire gate drawn down 0.20 metres , or .656 feet , is about 18 horse power . This and the preceding prove conclusively , that the same quantity of ...
... length of bucket in this wheel is about 124 feet ; and that its available force with the entire gate drawn down 0.20 metres , or .656 feet , is about 18 horse power . This and the preceding prove conclusively , that the same quantity of ...
Page 24
... length of the engine from him , and the noise of the empty cars behind him preventing him from hearing the escape . The great increase of the head of steam would at length give him notice , al- though not until the water had sunk ...
... length of the engine from him , and the noise of the empty cars behind him preventing him from hearing the escape . The great increase of the head of steam would at length give him notice , al- though not until the water had sunk ...
Page 33
... length , is published in the daily journals , and frequently commented on , from time to time , during the investigation . public is thus aware of what occurs , and new witnesses and more opinions of scientific men are obtained . If no ...
... length , is published in the daily journals , and frequently commented on , from time to time , during the investigation . public is thus aware of what occurs , and new witnesses and more opinions of scientific men are obtained . If no ...
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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 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 oxide pass Philadelphia piece pipe piston placed plate present pressure produced puddling furnace purpose quantity rails railway rollers screw secure by letters shaft side silica slide solution specific gravity 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...