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 15
B ferrule for connecting to the main pipe , as at A , and to the service supply pipe , as at B. It consists of a tube of cast iron , or other material , having flanches at each end , one to attach to the main supply pipe , the other to ...
B ferrule for connecting to the main pipe , as at A , and to the service supply pipe , as at B. It consists of a tube of cast iron , or other material , having flanches at each end , one to attach to the main supply pipe , the other to ...
Page 23
“ The nature of my invention consists in providing the horizontal bars and the palings with quadrants , segments , circles , cylinders , triangles , and other devices cast to them , for the purposes herein described and set forth ...
“ The nature of my invention consists in providing the horizontal bars and the palings with quadrants , segments , circles , cylinders , triangles , and other devices cast to them , for the purposes herein described and set forth ...
Page 26
For an Improvement in Welding Cast Iron to Malleable ... Having fully described the nature of our improvement , what we claim therein as new is , uniting the steel and cast iron as described , hy first preparing the steel in the manner ...
For an Improvement in Welding Cast Iron to Malleable ... Having fully described the nature of our improvement , what we claim therein as new is , uniting the steel and cast iron as described , hy first preparing the steel in the manner ...
Page 47
I have not been able to ascertain the exact ratio of the tenacities of the purified and unpurified iron , but I have determined the comparative resistance of the two cast irons . I took bars of the irons carefully shaped , having one ...
I have not been able to ascertain the exact ratio of the tenacities of the purified and unpurified iron , but I have determined the comparative resistance of the two cast irons . I took bars of the irons carefully shaped , having one ...
Page 55
... and the result was so satisfactory to Captain Sir Thomas Maitland and Mr. Lloyd , that they congratulated Mr. Penn on the success of the trial , which exceeded their most sanguine expectations . This fine vessel arrived and cast ...
... and the result was so satisfactory to Captain Sir Thomas Maitland and Mr. Lloyd , that they congratulated Mr. Penn on the success of the trial , which exceeded their most sanguine expectations . This fine vessel arrived and cast ...
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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