Journal of the Franklin InstituteFranklin Institute, 1842 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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Seite 37
... pots containing a small quantity of vinegar in the bottom , and these pots then buried in dung , which , VOL . III . 3D SERIES . - No . 1. - JANUARY , 1842 . by its fermentation , produces both heat , steam , On White Lead . 37.
... pots containing a small quantity of vinegar in the bottom , and these pots then buried in dung , which , VOL . III . 3D SERIES . - No . 1. - JANUARY , 1842 . by its fermentation , produces both heat , steam , On White Lead . 37.
Seite 38
... heat be too high , carbonic acid escapes , and less white lead is the result . It is generally conceded by the best judges that the best Carinthian white lead is superior to all other kinds . acetate . Now if we suppose that twenty ...
... heat be too high , carbonic acid escapes , and less white lead is the result . It is generally conceded by the best judges that the best Carinthian white lead is superior to all other kinds . acetate . Now if we suppose that twenty ...
Seite 40
... heating the neutral dry acetate of lead , it fuses and evolves carbonic acid and acetone to a given point , when it ... heat will tend to form acetone and carbonic acid , the former of which escapes into the atmosphere , while the ...
... heating the neutral dry acetate of lead , it fuses and evolves carbonic acid and acetone to a given point , when it ... heat will tend to form acetone and carbonic acid , the former of which escapes into the atmosphere , while the ...
Seite 42
... heat is applied . There remains sulphate of lead , and chlorine is evolved . The sulphate is then treated with carbonated alkali , which , according to the patent , will make hydrate with a little carbonate of lead , through which ...
... heat is applied . There remains sulphate of lead , and chlorine is evolved . The sulphate is then treated with carbonated alkali , which , according to the patent , will make hydrate with a little carbonate of lead , through which ...
Seite 61
... heat the oven used for baking , which oven is situated at the back of the fire place , or chamber of combustion , as in the greater number of cooking stoves ; but in my cabooses , or stoves , I do not allow of a direct draught from the ...
... heat the oven used for baking , which oven is situated at the back of the fire place , or chamber of combustion , as in the greater number of cooking stoves ; but in my cabooses , or stoves , I do not allow of a direct draught from the ...
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Seite 172 - 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, two reflecting telescopes, made by Mr.
Seite 130 - Be it known that I, John Fitch, of Philadelphia, in the county of Philadelphia, the State of Pennsylvania, have invented a new and improved mode of preventing steam-boilers from bursting, and I do hereby declare that the following is a full and exact description thereof, reference being had to the accompanying drawings, and to the letters of reference marked thereon.
Seite 132 - The declaration was in the usual form, and the defendants pleaded thereto, first, that they were not guilty; secondly, that the plaintiff was not the...
Seite 174 - 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.
Seite 351 - Such oath may be made before any person within the United States authorized by law to administer oaths, or, when the applicant resides in a foreign country, before any minister, charge d'affaires, consul, or commercial agent holding commission under the Government of the United States...
Seite 195 - ... but what I do claim, and desire to secure by letters patent, is the peculiar construction of the heat reflecting oven, as described, in combination with the two semi-circular stoves, with funnel-shaped caps, for saving fuel and cooking expeditiously, as before described.
Seite 119 - What I claim as my invention, and which I desire to secure by letters patent, is the...
Seite 261 - After describing the different parts of the machine, he sums up by saying; having thus fully described the nature and operation of my machine for breaking and screening coal, what I claim as new therein, and desire to secure by letters patent is, the manner in which I have arranged and combined with each other Ihe breaking rollers and the screen; the respective parts being formed and operating substantially as herein set forth and made known.
Seite 350 - ... any new and original design for a manufacture, whether of metal or other material or materials ; or any new and original design for the printing of woollen, silk, cotton, or other fabrics; or any new and original design for a bust, statue, or...
Seite 349 - AN ACT In addition to an Act to promote the progress of the Useful Arts, and to Repeal all Acts and parts of Acts heretofore made for that purpose.