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 1
Now , the exhaust line , D E , shows that nearly all the period of exhaust for the steam stroke is employed for the complete evacuation of the steam . And if this be the case for speeds of 1 and 2 miles an hour , it is much more so for ...
Now , the exhaust line , D E , shows that nearly all the period of exhaust for the steam stroke is employed for the complete evacuation of the steam . And if this be the case for speeds of 1 and 2 miles an hour , it is much more so for ...
Page 47
This process , which I have employed in three furnaces — two in Scotland and one in Wales - bas given me very satisfactory results . In the iron thus obtained the crystals are not found , and the metal acquires a long and very tenacious ...
This process , which I have employed in three furnaces — two in Scotland and one in Wales - bas given me very satisfactory results . In the iron thus obtained the crystals are not found , and the metal acquires a long and very tenacious ...
Page 48
I also obtained at Manchester very satisfactory results , by employing coke thus prepared for the re - melting of iron in ... of the salt manufactured there , in comparison with foreign salt imported and largely employed on the coast .
I also obtained at Manchester very satisfactory results , by employing coke thus prepared for the re - melting of iron in ... of the salt manufactured there , in comparison with foreign salt imported and largely employed on the coast .
Page 65
Though a considerable quantity of British iron is exported , a very large proportion remains to be variously employed in our own industry . 2. Desilverizing of Lead . -As to lead , the illustrations were chiefly British .
Though a considerable quantity of British iron is exported , a very large proportion remains to be variously employed in our own industry . 2. Desilverizing of Lead . -As to lead , the illustrations were chiefly British .
Page 66
... iinprovements introduced by chemistry in the smelting process ; but these will suffice to show you that she has added to human power by increasing production , while she has also economized both the time and the materials employed .
... iinprovements introduced by chemistry in the smelting process ; but these will suffice to show you that she has added to human power by increasing production , while she has also economized both the time and the materials employed .
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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