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 100.
4. lappuse
... pressure of steam ; because , unless surcharged with heat , the latter has its density increased in proportion to the pressure , but the relation between the density of water at all known temperatures , and of steam at any working pressure ...
... pressure of steam ; because , unless surcharged with heat , the latter has its density increased in proportion to the pressure , but the relation between the density of water at all known temperatures , and of steam at any working pressure ...
21. lappuse
... pressure equal to an inch of mercury . A depression of near two and a half inches has been recorded in a spout accompanied with hail nine inches deep : hence the base of the cloud would descend in the centre near 1000 yards ; and of ...
... pressure equal to an inch of mercury . A depression of near two and a half inches has been recorded in a spout accompanied with hail nine inches deep : hence the base of the cloud would descend in the centre near 1000 yards ; and of ...
31. lappuse
... pressure , or sudden jerks . This bush is fixed in its place by means of a set punch . I tin these sheeves after annealing them , which effectually preserves them from rust , and they may also be coated with japan varnish I do not claim ...
... pressure , or sudden jerks . This bush is fixed in its place by means of a set punch . I tin these sheeves after annealing them , which effectually preserves them from rust , and they may also be coated with japan varnish I do not claim ...
42. lappuse
... pressure , where- by the seed , it is alleged , will part more thoroughly with the oil . The fol- lowing is the ... pressure by placing it in bags , and disposing the same in the press , in the following manner ; first , a bag of seed ...
... pressure , where- by the seed , it is alleged , will part more thoroughly with the oil . The fol- lowing is the ... pressure by placing it in bags , and disposing the same in the press , in the following manner ; first , a bag of seed ...
46. lappuse
... pressure , with sufficient rapidity , so as to en- able the pistons to make a greater number of strokes per minute , there- by turning the wheels round a greater number of times , and of course urging the machine to a higher speed . So ...
... pressure , with sufficient rapidity , so as to en- able the pistons to make a greater number of strokes per minute , there- by turning the wheels round a greater number of times , and of course urging the machine to a higher speed . So ...
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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...