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 3
Doctor Neil Arnot reinarks , that when sound is reflected by a solid , the angle of incidence and reflection correspond ; and he illustrates this by a boy's hand ball thrown against a wall , when the angle of reflection is equal to that ...
Doctor Neil Arnot reinarks , that when sound is reflected by a solid , the angle of incidence and reflection correspond ; and he illustrates this by a boy's hand ball thrown against a wall , when the angle of reflection is equal to that ...
Page 5
Sonorous Solids conduct Sounds generally with velocity and intensity in a similar ratio , but in air it is equal in Velocity and Character throughout . - Sonorous solids are considered to conduct sound with velocity , much in the ratio ...
Sonorous Solids conduct Sounds generally with velocity and intensity in a similar ratio , but in air it is equal in Velocity and Character throughout . - Sonorous solids are considered to conduct sound with velocity , much in the ratio ...
Page 6
... is requisite to be attended to is the mere form of a room , or that materials may be thrown together indiscriminately , conducting and reflecting in various directions , and in any degree . As sound passes with equal velocity in all ...
... is requisite to be attended to is the mere form of a room , or that materials may be thrown together indiscriminately , conducting and reflecting in various directions , and in any degree . As sound passes with equal velocity in all ...
Page 9
In other words , that a common breast water - wheel actuated by a fall of water of only about two and three - fourths metres , or nine feet , was , in the case referred to , fully equal in effective power to any over - shot water ...
In other words , that a common breast water - wheel actuated by a fall of water of only about two and three - fourths metres , or nine feet , was , in the case referred to , fully equal in effective power to any over - shot water ...
Page 12
bly considered as equal to the useful effect transmitted by the wheel . The precautions known to be necessary in applying the brake , were scrupulously observed . The numbers inscribed in the table relate to the periods , during which ...
bly considered as equal to the useful effect transmitted by the wheel . The precautions known to be necessary in applying the brake , were scrupulously observed . The numbers inscribed in the table relate to the periods , during which ...
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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...
Bibliographic information
| Title | Journal of the Franklin Institute, Volume 9 Volumes 282-287 of American periodical series, 1800-1850 |
| Contributor | Franklin Institute (Philadelphia, Pa.) |
| Publisher | Pergamon Press, 1845 |
| Original from | the University of Michigan |
| Digitized | 11 Sep 2007 |
| Export Citation | BiBTeX EndNote RefMan |