Journal of the Franklin InstituteFranklin Institute, 1843 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 31
... Committee on Cotton Goods have carefully examined the several samples submitted to their inspection , and respectfully report as follows : No. 5 , Bleached Cotton Yarn , spun by Walton & Mercilliott , possesses the qualities of evenness ...
... Committee on Cotton Goods have carefully examined the several samples submitted to their inspection , and respectfully report as follows : No. 5 , Bleached Cotton Yarn , spun by Walton & Mercilliott , possesses the qualities of evenness ...
Seite 32
... committee are decidedly of opinion that Perkins & Wendell are entitled to the premium for superiority of execution , particularly of the light ground London style , and black ground Hibernia chintz , which surpass any that has come ...
... committee are decidedly of opinion that Perkins & Wendell are entitled to the premium for superiority of execution , particularly of the light ground London style , and black ground Hibernia chintz , which surpass any that has come ...
Seite 33
... have discharged the duty assigned them . There were several articles on the invoice , for examination , which the committee could not find ; they are indicated by the omission Reports of the Judges on the Twelfth Exhibition . 33.
... have discharged the duty assigned them . There were several articles on the invoice , for examination , which the committee could not find ; they are indicated by the omission Reports of the Judges on the Twelfth Exhibition . 33.
Seite 34
... committee have seen at former exhibitions ; but the specimens exhibited , we are assured , with but few exceptions , are but fair samples of what the manufacturers furnish for their ordinary sales . As a general remark , they all ...
... committee have seen at former exhibitions ; but the specimens exhibited , we are assured , with but few exceptions , are but fair samples of what the manufacturers furnish for their ordinary sales . As a general remark , they all ...
Seite 35
... committee think the maker is fairly entitled to a premium . There were some persons who doubted these being American make , but the committee received satisfactory evidence that they were really made here , No. 135 , two rifles , by Wm ...
... committee think the maker is fairly entitled to a premium . There were some persons who doubted these being American make , but the committee received satisfactory evidence that they were really made here , No. 135 , two rifles , by Wm ...
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acid action advantage amount appears applied average axle become body boiler calculated carriages carried cast cause cent Clear Cloudy color common compared consequence considerable considered construction contained continued copper cost course diameter direction distance earth effect employed engines equal exhibited expense experiments fact feet force four friction give given greater ground half heat important inches increase iron laid lead length less light load machine manner material means metal mile minute mode motion moulding nearly necessary object observed obtained passed pattern pavements Philadelphia piece plate practice present pressure produced proportion quantity rails railway reference remark resistance road sand side square steam stone sufficient supposed surface taken thickness tion wall weight wheels whole yard
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Seite 206 - ... necessary for their preservation, and in such manner as shall be conducive to a beneficial and favorable display thereof, the models and specimens of compositions and of...
Seite 354 - If it is discontinued, provided it has been once in public use, and the recollection of it has not been altogether lost — if it has been once publicly used, it will be sufficient to invalidate the letters patent, although the use may be discontinued at the time when the patent was granted.
Seite 185 - Experiments and observations made with the view of improving the art of composing and applying calcareous cements...
Seite 285 - I conceive, right to add, that in all cases, even though the composition of the water seems to bring it within the conditions of safety now stated, an attentive examination should be made of the water after it has been running for a few days through the pipes ; for it is not improbable that other circumstances, besides those hitherto ascertained, may regulate the preventive influence of the neutral salts.
Seite 318 - Scotland, for his Invention of certain improvements in the means and machinery for deepening and excavating the beds of rivers, removing sandbanks, bars, and other obstructions to navigation.
Seite 145 - 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 136 - ... will prevent the metal from running away, and in a few minutes it will cool and take the impression, without the slightest injury to the paper from which it was taken.
Seite 28 - ... of an engineer, in regard to some of the general principles. He should accommodate a new line of road to local circumstances, so far as could be without superseding public advantages. It would be ridiculous to follow the old Roman fashion, on the mathematical axiom that a straight line is the shortest that can be drawn between two points. This would not make the most commodious road — hills must be avoided, towns must be resorted to, and the sudden bends of rivers must be shunned. It is not...
Seite 206 - And be it further enacted. That it shall be the duty of the Commissioner to cause to be classified and arranged, in such rooms or galleries as may be provided for that purpose, in suitable cases, when necessary for their preservation, and in such manner as shall be conducive to a beneficial and favorable display thereof...
Seite 355 - ... by sixteen iron screws four and a half inches in diameter. This platform has several shores on its surface, which were brought to bear equally on the vessel's bottom, to prevent her from canting over on being raised out of the water. About thirty men...