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 1
... Observations on the Adaptation of Public Buildings to the propa- gation of Sound , consistently with Speech . By WM . SHAND , Esq . The following short observations are intended to show by practical illustration , the difficulties that ...
... Observations on the Adaptation of Public Buildings to the propa- gation of Sound , consistently with Speech . By WM . SHAND , Esq . The following short observations are intended to show by practical illustration , the difficulties that ...
Page 4
... 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 , and rough externally - for these reasons , sound from it does not ...
... 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 , and rough externally - for these reasons , sound from it does not ...
Page 12
... observed a great regularity in the oscil- lations of the brake , and in the velocity of the wheel . The gauging of ... observe , that those of the three last series appear superior to what we should have expected , and to what are ...
... observed a great regularity in the oscil- lations of the brake , and in the velocity of the wheel . The gauging of ... observe , that those of the three last series appear superior to what we should have expected , and to what are ...
Page 20
... observed , that since the rupture took place , in the short space between the bend of the edge of the plate , and the ends of the bridge - bars , the iron was not , in fact , subjected to a force in the direction of its length , but to ...
... observed , that since the rupture took place , in the short space between the bend of the edge of the plate , and the ends of the bridge - bars , the iron was not , in fact , subjected to a force in the direction of its length , but to ...
Page 21
... observations , on record , tending to show the power of electricity to produce such effects in a good continuous conductor , as a locomotive engine , running too , be it observed , upon a wet rail , the committee are in ignorance of ...
... observations , on record , tending to show the power of electricity to produce such effects in a good continuous conductor , as a locomotive engine , running too , be it observed , upon a wet rail , the committee are in ignorance of ...
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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...