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] |
From inside the book
Results 1-5 of 100
Page
4th , That though the exhaust takes place earlier for every increase of expansion , it does not in any case take place ... 5th , That the period of compression , increasing as the admission is reduced , amounts to about one - half ...
4th , That though the exhaust takes place earlier for every increase of expansion , it does not in any case take place ... 5th , That the period of compression , increasing as the admission is reduced , amounts to about one - half ...
Page 4
However , the area of blast - orifice rules the back exhaust pressure ; and , when the cylinder is duly proportioned to the boiler , it is quite practicable , by a few modifications in detail , still further to increase the orifice ...
However , the area of blast - orifice rules the back exhaust pressure ; and , when the cylinder is duly proportioned to the boiler , it is quite practicable , by a few modifications in detail , still further to increase the orifice ...
Page 10
... the loss by imperfect exhaust causes a large increase of consumption per horse power per hour , of from 33 to 12 per cent . , according to the amount of admission . With steam ports of about 1th , and blast orifices 4th of the ...
... the loss by imperfect exhaust causes a large increase of consumption per horse power per hour , of from 33 to 12 per cent . , according to the amount of admission . With steam ports of about 1th , and blast orifices 4th of the ...
Page 14
I consider it one of the most valuable inventions ever made to increase the safety of railroad traveling , as by its use a passenger train can be stopped in about half the space usually required . G. A. NICOLLS , Eng . & Sup . Philad .
I consider it one of the most valuable inventions ever made to increase the safety of railroad traveling , as by its use a passenger train can be stopped in about half the space usually required . G. A. NICOLLS , Eng . & Sup . Philad .
Page 23
... in order to increase the thickness of the wadding , or batting , substantially in the manner herein described . ” 60. For an Improvement in Processes for Preparing Paints ; Heman S. Lucas , Chester , Massachusetts . Claim .
... in order to increase the thickness of the wadding , or batting , substantially in the manner herein described . ” 60. For an Improvement in Processes for Preparing Paints ; Heman S. Lucas , Chester , Massachusetts . Claim .
What people are saying - Write a review
We haven't found any reviews in the usual places.
Other editions - View all
Common terms and phrases
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