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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Results 11-15 of 74
Page 140
... exhibited specimens of portions of the same iron that had been ex- posed to the concussion of a large tilt hammer , working at the rate of about 350 strokes per minute , which occasioned the bars of iron to break short off at the point ...
... exhibited specimens of portions of the same iron that had been ex- posed to the concussion of a large tilt hammer , working at the rate of about 350 strokes per minute , which occasioned the bars of iron to break short off at the point ...
Page 148
... exhibited by Mr. Bridges , seemed very good and ingenious . Dr. Scoresby , in commenting on the subject , gave a very interest- ing account of the working of wooden railways in America , which , from the simple and unoruamental ...
... exhibited by Mr. Bridges , seemed very good and ingenious . Dr. Scoresby , in commenting on the subject , gave a very interest- ing account of the working of wooden railways in America , which , from the simple and unoruamental ...
Page 155
... exhibited this season , particularly in cast - iron and hollow ware . In their investigations they have ex- amined every specimen enumerated in the catalogue furnished them by the Actuary . In consequence of the number of articles ...
... exhibited this season , particularly in cast - iron and hollow ware . In their investigations they have ex- amined every specimen enumerated in the catalogue furnished them by the Actuary . In consequence of the number of articles ...
Page 156
... exhibited ; they are well cut , of good proportions and strength , and in the strength of the tangs are superior to the foreign article of the same description ; the maker is entitled to a certificate of honorary mention . No. 1008 ...
... exhibited ; they are well cut , of good proportions and strength , and in the strength of the tangs are superior to the foreign article of the same description ; the maker is entitled to a certificate of honorary mention . No. 1008 ...
Page 157
... exhibited at former exhibitions . The domestic manufacture of this article , has , for several years , entirely excluded the importation of the foreign article . No. 1022 , one case of rules , made by Herman Chapin , New Hart- ford ...
... exhibited at former exhibitions . The domestic manufacture of this article , has , for several years , entirely excluded the importation of the foreign article . No. 1022 , one case of rules , made by Herman Chapin , New Hart- ford ...
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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 92 - What we claim as our invention, and desire to secure...
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...