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 2
... affixed to wood as it left the saw , all being single , compact materials , with rugged exteriors , having little vibratory action , or sound , the solidity of the bodies , and roughness of the surfaces , being the principles that ...
... affixed to wood as it left the saw , all being single , compact materials , with rugged exteriors , having little vibratory action , or sound , the solidity of the bodies , and roughness of the surfaces , being the principles that ...
Page 3
now give another instance of rude and rugged materials producing similar effects , from similar causes ... The only material difference that I can perceive , is , that the old gas house , Canon Mills , is a matter of chance in regard to ...
now give another instance of rude and rugged materials producing similar effects , from similar causes ... The only material difference that I can perceive , is , that the old gas house , Canon Mills , is a matter of chance in regard to ...
Page 5
... or being made to act in foci , wherever the human voice , in speech , acts within a curvature , articulation is deranged , and the greater the curve , and the more sonorous the material , the greater is the perturbation .
... or being made to act in foci , wherever the human voice , in speech , acts within a curvature , articulation is deranged , and the greater the curve , and the more sonorous the material , the greater is the perturbation .
Page 7
Does not the soft , absorbent material ( as it is termed ) diminish sound as much as any thing that we know ? _and yet they say that they were heard distinctly at any natural pitch of their voice in all directions , and they believe ...
Does not the soft , absorbent material ( as it is termed ) diminish sound as much as any thing that we know ? _and yet they say that they were heard distinctly at any natural pitch of their voice in all directions , and they believe ...
Page 8
Lath and plaster are not the most desirable materials for the lining of an apartment ; and , in the two Aberdeen charches ... acting predominantly on the roof , and little on the floor ; soft material may , therefore , be placed on the ...
Lath and plaster are not the most desirable materials for the lining of an apartment ; and , in the two Aberdeen charches ... acting predominantly on the roof , and little on the floor ; soft material may , therefore , be placed on the ...
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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 |