Journal of the Franklin InstituteVols. 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 19
My invention further consists in a method of working the trap - boards , which is at once simple and certain , and which is carried into effect by cheap and durable mechanism . ” Claim , - " Having thus described my improved loom for ...
My invention further consists in a method of working the trap - boards , which is at once simple and certain , and which is carried into effect by cheap and durable mechanism . ” Claim , - " Having thus described my improved loom for ...
Page 58
When the applicant is desirous to complete his patent , after either of the preliminary steps before described , he is to give the commissioners notice to that effect ; the application is then to be advertised , and parties desirous of ...
When the applicant is desirous to complete his patent , after either of the preliminary steps before described , he is to give the commissioners notice to that effect ; the application is then to be advertised , and parties desirous of ...
Page 78
... when the consumption of steam from the boiler is going on at the greatest rate , as we find on referring to the per centages of admission ; which is the reverse of the effect that would be observed if priming were a material cause .
... when the consumption of steam from the boiler is going on at the greatest rate , as we find on referring to the per centages of admission ; which is the reverse of the effect that would be observed if priming were a material cause .
Page 81
To effect the reduction here noted , it appears that a surcharging surface equal to fully one - half of the heating surface has been necessary ; and it is probable that for locomotives à considerable allowance must be made to produce a ...
To effect the reduction here noted , it appears that a surcharging surface equal to fully one - half of the heating surface has been necessary ; and it is probable that for locomotives à considerable allowance must be made to produce a ...
Page 84
He remembered an experiment which showed a remarkable effect of condensation ; four condensing engines , of equal size , were working coupled together in a boat , with the steam cut off at one - quarter of the stroke and expanded ...
He remembered an experiment which showed a remarkable effect of condensation ; four condensing engines , of equal size , were working coupled together in a boat , with the steam cut off at one - quarter of the stroke and expanded ...
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acid action amount apparatus appears applied arrangement attached boiler carbon carried cast cause cent centre chamber claim closed coal colors combination connected consists construction containing cylinder described diameter direction distance effect employed engine equal experiments feet fire flues force frame furnace give given greater heat hour Improvement inches increase Institute invention iron Journal latter lead length less light lower machine manner manufacture material means mechanical metal method miles minute motion moved nature object observed obtained operation oxide pass patent pipe piston placed plate portion position pounds practical present pressure produced proportion quantity railway screw separate shown side slide space specified speed spring square steam stroke substantially surface taken tion train tubes turning valve vessel weight wheel whole York