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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... C. M. KELLER , Examiner , Patent Office , Washington . THIRD SERIES . VOL . IX . PHILADELPHIA . PUBLISHED BY THE FRANKLIN INSTITUTE , AT THEIR HALL . 1845 atom in the finest metal must have its own atmosphere JOURNAL.
... C. M. KELLER , Examiner , Patent Office , Washington . THIRD SERIES . VOL . IX . PHILADELPHIA . PUBLISHED BY THE FRANKLIN INSTITUTE , AT THEIR HALL . 1845 atom in the finest metal must have its own atmosphere JOURNAL.
Page 3
... atmosphere are scattered and divided , and so is sound , as our sense of hearing tells us . The greatest repelling force is , no doubt , in one direction , but the matter that gives effect to sound passes , in a certain degree , in all ...
... atmosphere are scattered and divided , and so is sound , as our sense of hearing tells us . The greatest repelling force is , no doubt , in one direction , but the matter that gives effect to sound passes , in a certain degree , in all ...
Page 4
... atmosphere again runs smooth , and produces no such effects . I would next observe , as to the earthen floor , that the action and sound from it are much less than from hollow boarding ; the earth is comparatively soft , little elastic ...
... atmosphere again runs smooth , and produces no such effects . I would next observe , as to the earthen floor , that the action and sound from it are much less than from hollow boarding ; the earth is comparatively soft , little elastic ...
Page 5
... atmosphere it passes with equal velocity in all directions , if no more dense medium should intervene between the source of sound and the ear , and it is conducted without change of character . In solids , its character and direction ...
... atmosphere it passes with equal velocity in all directions , if no more dense medium should intervene between the source of sound and the ear , and it is conducted without change of character . In solids , its character and direction ...
Page 6
... atmosphere and sound generally in an apartment . I have certainly explained enough to convince the most sceptical that it is preposterous to imagine that all that is requisite to be attended to is the mere form of a room , or that ...
... atmosphere and sound generally in an apartment . I have certainly explained enough to convince the most sceptical that it is preposterous to imagine that all that is requisite to be attended to is the mere form of a room , or that ...
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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...