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 80
... solution was essential to sound engineering , but the profession had long felt that they were not in possession of sufficient data to determine this question . - Proc . Brit . Association . Lond . Athenĉum . AMERICAN PATENTS . List of ...
... solution was essential to sound engineering , but the profession had long felt that they were not in possession of sufficient data to determine this question . - Proc . Brit . Association . Lond . Athenĉum . AMERICAN PATENTS . List of ...
Page 114
... solutions ; thus the bottle glass is frequently attacked by the tartar which is found in the wine . According to Guyton Mor- veau , all glass which is attacked by prolonged boiling with concen- trated solutions of alum , common salt ...
... solutions ; thus the bottle glass is frequently attacked by the tartar which is found in the wine . According to Guyton Mor- veau , all glass which is attacked by prolonged boiling with concen- trated solutions of alum , common salt ...
Page 136
... solution , rather than of chemical combination . Borate of lead , and sillicate of lead , if fused in small quantities , so that they cooled quickly , were transparent , but if fused in masses , which required a longer time , they were ...
... solution , rather than of chemical combination . Borate of lead , and sillicate of lead , if fused in small quantities , so that they cooled quickly , were transparent , but if fused in masses , which required a longer time , they were ...
Page 137
... solutions being last applied , and in more or less excess . I purposely avoid stating proportions , as I have not yet been ... solution of pernitrate of mercury into a large quantity of water , and letting the sub - nitrated precipitate ...
... solutions being last applied , and in more or less excess . I purposely avoid stating proportions , as I have not yet been ... solution of pernitrate of mercury into a large quantity of water , and letting the sub - nitrated precipitate ...
Page 138
... solution of silver , in conjunction with ferro - tartaric acid , a dormant picture brought out into a forcible negative impression by the breath , or moist air . The solution then described , and which had , at that time , been prepared ...
... solution of silver , in conjunction with ferro - tartaric acid , a dormant picture brought out into a forcible negative impression by the breath , or moist air . The solution then described , and which had , at that time , been prepared ...
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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...