Journal of the Franklin InstitutePergamon Press, 1865 |
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Page 45
... heat , as in the treatment for malleable iron castings , we gain undoubted strength and toughness . Here , too , the carbon and silicium of the iron are lessened in quantity , and so it may be apprehended that they are by the Ameri- can ...
... heat , as in the treatment for malleable iron castings , we gain undoubted strength and toughness . Here , too , the carbon and silicium of the iron are lessened in quantity , and so it may be apprehended that they are by the Ameri- can ...
Page 48
... heat for the whole time . It is by these means that all parts of the gun are cooled alike , or nearly so , and , with iron of a tensile strength of , say , 13 tons per square inch , that such great endurance has been attained in firing ...
... heat for the whole time . It is by these means that all parts of the gun are cooled alike , or nearly so , and , with iron of a tensile strength of , say , 13 tons per square inch , that such great endurance has been attained in firing ...
Page 49
... heat from one part of the wheel to another , that all parts must cool absolutely alike . The result is that the wheels thus annealed may be so nearly cut open , by a turning tool in a lathe , as to leave but a thin film of iron ...
... heat from one part of the wheel to another , that all parts must cool absolutely alike . The result is that the wheels thus annealed may be so nearly cut open , by a turning tool in a lathe , as to leave but a thin film of iron ...
Page 50
... heat , for from 72 to 120 hours in powdered hematite iron ore , or in any metallic oxide . The oxygen of the ore ... heat , besides the two or three days at full heat . The heat should be very even over all parts of the goods , and while ...
... heat , for from 72 to 120 hours in powdered hematite iron ore , or in any metallic oxide . The oxygen of the ore ... heat , besides the two or three days at full heat . The heat should be very even over all parts of the goods , and while ...
Page 51
... heat , or access of air . Oxide of zinc , which is abundant in some parts of America - as near New York - is preferable to iron ore , but those who cannot ob- tain the former can get on very well with the latter . The agricutural ...
... heat , or access of air . Oxide of zinc , which is abundant in some parts of America - as near New York - is preferable to iron ore , but those who cannot ob- tain the former can get on very well with the latter . The agricutural ...
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66 date acid action air pump amount apparatus applied arrangement atmospheric Bessemer process boiler carbon caseine cast iron cause cent centre chemical coal color combustion condenser constructed containing cubic cubic foot cylinder diameter effect employed equal evaporated expansion experiments fact fatty matters feet fluid force FRANKLIN INSTITUTE fuel furnace gauge glass glycerine heat horse power increased kilometres per hour L.-THIRD SERIES.-No length less lime London magnesium manganese manufacture marine engines material means mechanical mercury Messrs metal miles Mont Cenis motion naphtha obtained ordinary paper pass patent petroleum pipe placed plate portion practical present pressure produced proportion quantity rails railway resistance screw ship side silicate soap soda spermaceti square inch strain strength stroke substance sulphur sulphuric acid surface surface condensers temperature thickness tion tons truss tube valve vessel weight wheels whilst wool wrought iron