Journal of the Franklin Institute, Հատոր 80,Հատոր 110Franklin Institute, 1880 Vols. 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
Արդյունքներ 76–ի 1-ից 5-ը:
Էջ 19
... metal for excellence of workmanship . This engine was designed and constructed by Mr. John Ramsbot- tom . The following are its principal dimensions : Area of grate in square feet , Heating surface in 66 Stroke of piston in inches ...
... metal for excellence of workmanship . This engine was designed and constructed by Mr. John Ramsbot- tom . The following are its principal dimensions : Area of grate in square feet , Heating surface in 66 Stroke of piston in inches ...
Էջ 35
... metal obtained remained cold ; the loss was as much as 18 to 20 per cent . , that is to say , it required 1200 kilogrammes of metal , from the furnace , to obtain 1000 kilogrammes of steel ingots , whereas 1130 or 1140 suffice when the ...
... metal obtained remained cold ; the loss was as much as 18 to 20 per cent . , that is to say , it required 1200 kilogrammes of metal , from the furnace , to obtain 1000 kilogrammes of steel ingots , whereas 1130 or 1140 suffice when the ...
Էջ 36
... metal Si + 3C0 = 3C + SiO3 It will be remembered that it is this reaction which explains the formation of steel without blowholes by means of silicon . This addition of silicon was made at Eston under the form of grey pig carrying 3 per ...
... metal Si + 3C0 = 3C + SiO3 It will be remembered that it is this reaction which explains the formation of steel without blowholes by means of silicon . This addition of silicon was made at Eston under the form of grey pig carrying 3 per ...
Էջ 37
... metal dephosphorized to 0 · 140 was suddenly changed to 0.235 of phosphorus after the addition of the spiegel . As ... metal and slag was cooled in a ladle furnished with a stopper and an orifice at the bottom ; then the metal alone was ...
... metal dephosphorized to 0 · 140 was suddenly changed to 0.235 of phosphorus after the addition of the spiegel . As ... metal and slag was cooled in a ladle furnished with a stopper and an orifice at the bottom ; then the metal alone was ...
Էջ 41
... metal , tried for tensile strength , gave : Operation No. 67 , . 66 68 , 66 69 , . Breaking load in kilo- grammes per millim . sq . 50.1 53.5 54.3 Elongation . Per cent . Contraction . Per cent . 20.6 44.8 22.0 47.0 19.2 42.0 The length ...
... metal , tried for tensile strength , gave : Operation No. 67 , . 66 68 , 66 69 , . Breaking load in kilo- grammes per millim . sq . 50.1 53.5 54.3 Elongation . Per cent . Contraction . Per cent . 20.6 44.8 22.0 47.0 19.2 42.0 The length ...
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