Journal of the Franklin Institute of the State of Pennsylvania for the Promotion of the Mechanic Arts: Devoted to Mechanical and Physical Science, Civil Engineering, the Arts and Manufactures, and the Recording of American and Other Patent InventionsFranklin Institute, 1837 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] |
No grāmatas satura
1.–5. rezultāts no 93.
40. lappuse
... solution of sulphate of iron , copperas , green copperas , or green vitriol , with an ex- cess of sulphuric acid , and the heaps of pyrites which are thus exposed to air and moisture for the purpose of preparing sulphate of iron , or ...
... solution of sulphate of iron , copperas , green copperas , or green vitriol , with an ex- cess of sulphuric acid , and the heaps of pyrites which are thus exposed to air and moisture for the purpose of preparing sulphate of iron , or ...
41. lappuse
... solution of ace- tate , nitrate , or other convenient salt of lead , give a precipitate of sulphate of lead which would weigh , after proper washing and drying , about one hundred and sixty parts , these one hundred and sixty parts of ...
... solution of ace- tate , nitrate , or other convenient salt of lead , give a precipitate of sulphate of lead which would weigh , after proper washing and drying , about one hundred and sixty parts , these one hundred and sixty parts of ...
64. lappuse
... solution of the problem of interference , and such appeared to be the prevailing opinion .-- In the course of the paper several other interesting facts of a collateral description , were stated , and , amongst others , that platinum ...
... solution of the problem of interference , and such appeared to be the prevailing opinion .-- In the course of the paper several other interesting facts of a collateral description , were stated , and , amongst others , that platinum ...
66. lappuse
... solution of sulphate of copper . When this gas is exposed in a flask to the sun's light , dark laminæ , more or less brilliant , cover the interior of the flask . In a dark place only a few spots appeared at the end of a week . The ...
... solution of sulphate of copper . When this gas is exposed in a flask to the sun's light , dark laminæ , more or less brilliant , cover the interior of the flask . In a dark place only a few spots appeared at the end of a week . The ...
67. lappuse
... solution of caustic potash in a graduated tube . The mixed gases were entirely absorbed in a few hours , unless there was an excess of either beyond these proportions . The two gases react upon each other only in the pro portion of two ...
... solution of caustic potash in a graduated tube . The mixed gases were entirely absorbed in a few hours , unless there was an excess of either beyond these proportions . The two gases react upon each other only in the pro portion of two ...
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Bieži izmantoti vārdi un frāzes
ammonia apparatus appears applied ascertain belt boiler breadth Breaking weight Broke calcined carbonic acid cause cent centre charcoal clay coal colour construction contains copper cylinder degree diameter direction employed engine Experiments on bar fat lime feet filed section Franklin Institute friction furnace glass grains hydraulic lime hydrogen improvement invention iron length machine magnesia magnet manner manufacture mean area ment mercury metal miles mixture mode mortar mucilage nearly Obernai observations obtained operation oxide oxygen pass patent piece pipe plate portion potash pounds pressure produced pyrometer quantity railway rays REMARKS sand screw section of fracture Senonches side silex slaked soda solution Specific gravity specific heat specimens spike square inch steam storm strength substance sugar sulphate sulphuric acid surface temperature tenacity thermometer thick tion trass trial tube vapour vessel wheel wind wire
Populāri fragmenti
470. lappuse - 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...
191. lappuse - That in all cases where an appeal is now allowed by law from the decision of the Commissioner of Patents to a board of examiners, provided for in the seventh section of the act to which this is additional, the party, instead thereof, shall have a right to appeal to the Chief Justice of the district court of the United States for the District of Columbia, by giving notice thereof to the Commissioner, and filing...
119. lappuse - Having thus described the nature of my invention, and the manner of performing the same, I would have it understood that I do not confine myself to the...
220. lappuse - The zink plate is always partially covered with a coating of copper, which, however, is not detrimental to the power of the battery ; the copper-plate is also covered with a coating of metallic copper, which is continually being deposited ; and so perfect is the sheet of copper thus formed, that, on being stripped off, it has the polish, and even a counterpart of every scratch, of the plate on which it is deposited.
191. lappuse - And be it further enacted, That in all cases in which an oath is required by this act, or by the act to which this is additional, if the person of whom it is required shall be conscientiously scrupulous of taking an oath, affirmation may be substituted therefor. SEC. 14. And be it further enacted...
189. lappuse - Office: and it shall thereafter be considered as part of the original specification to the extent of the interest possessed by the claimant and by those claiming under him after the record thereof.
190. lappuse - ... his own : Provided, It shall be a material and substantial part of the thing patented, and be definitely distinguishable from the other parts so claimed without right as aforesaid. And every such patentee, his executors, administrators, and assigns, whether of...
30. lappuse - And it shall be his duty to lay before congress, in the month of January, annually, a detailed statement of the expenditures and payments by him made from said fund.
187. lappuse - ... claim and drawings annexed or belonging to the same ; and it shall be the duty of the Commissioner to cause the same, or any authenticated copy of the original record, specification, or drawing which he may obtain, to be transcribed and copied into books of record, to be kept for that purpose ; and wherever a drawing was not originally annexed to the patent and referred to in the specification...
187. lappuse - Lord one thousand eight hundred and thirty-six, or in an assignment of any patent, or interest therein, executed and recorded prior to the said fifteenth day of December, may without charge, on presentation or transmission thereof to the Commissioner of Patents, have the same recorded anew in the Patent Office, together with the descriptions, specifications of claim, and drawings annexed or belonging to the same; and it shall be the duty of the Commissioner to cause the same, or any authenticated...