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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Page 12
... engines , & c . , including rebuilding the engines Georgia and Tennessee , 15,188 58 6 fuel and water for engines , 4,810 SO 6 oil and tallow for engines and cars , 1,107 79 70,754 19 $ 62,781 12 Leaving a net profit of To this amount ...
... engines , & c . , including rebuilding the engines Georgia and Tennessee , 15,188 58 6 fuel and water for engines , 4,810 SO 6 oil and tallow for engines and cars , 1,107 79 70,754 19 $ 62,781 12 Leaving a net profit of To this amount ...
Page 14
... engines and cars , in anticipation of the probable amount of business that may offer during next season , when the road shall have been extended to its terminus . Our present engines are what are termed the third class , that is , they ...
... engines and cars , in anticipation of the probable amount of business that may offer during next season , when the road shall have been extended to its terminus . Our present engines are what are termed the third class , that is , they ...
Page 15
... Engines , I feel called upon to state the grounds that make this opinion what it is . I do this in view of the interests of science , not intending to pass a mere encomium upon the productions of your establishment . Every engineer is ...
... Engines , I feel called upon to state the grounds that make this opinion what it is . I do this in view of the interests of science , not intending to pass a mere encomium upon the productions of your establishment . Every engineer is ...
Page 16
... engine , there remained but two other positions , viz : behind and close before the fire - box . To illustrate the effect in both cases , let us suppose two engines , A and B , each of 12 tons weight in running order , with cylinders ...
... engine , there remained but two other positions , viz : behind and close before the fire - box . To illustrate the effect in both cases , let us suppose two engines , A and B , each of 12 tons weight in running order , with cylinders ...
Page 17
... engines of the kind C , are running upon them under the aforementioned suppositions . can , therefore , but applaud your resolution of building systematically no other engines but those with eight wheels — four driving and four truck ...
... engines of the kind C , are running upon them under the aforementioned suppositions . can , therefore , but applaud your resolution of building systematically no other engines but those with eight wheels — four driving and four truck ...
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Common terms and phrases
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
Popular passages
Page 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...
Page 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.
Page 185 - Experiments and observations made with the view of improving the art of composing and applying calcareous cements...
Page 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.
Page 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.
Page 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.
Page 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.
Page 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...
Page 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...
Page 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...