Annual of scientific discovery. 1855Gould and Lincoln, 1855 |
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Pagina 28
... pounds above that of the atmosphere , and expanding by the lap of the valve merely diminishes its pressure to about 15 when the stroke is completed , at which time the valve opens , admitting the steam to the same end of the ...
... pounds above that of the atmosphere , and expanding by the lap of the valve merely diminishes its pressure to about 15 when the stroke is completed , at which time the valve opens , admitting the steam to the same end of the ...
Pagina 45
... pounds of coal an hour , the simple steam gives nineteen and three - tenths double strokes of the piston per minute ; whereas the combined steam gives twenty and one - tenth , with four hundred and forty pounds of coal only . The ...
... pounds of coal an hour , the simple steam gives nineteen and three - tenths double strokes of the piston per minute ; whereas the combined steam gives twenty and one - tenth , with four hundred and forty pounds of coal only . The ...
Pagina 48
... pounds ) of sal ammoniac in powder into a boiler , immediately after being filled with water . This was left until the evening of the next day , after the locomotive had done its service . The boiler being found not dirty , it was run ...
... pounds ) of sal ammoniac in powder into a boiler , immediately after being filled with water . This was left until the evening of the next day , after the locomotive had done its service . The boiler being found not dirty , it was run ...
Pagina 49
... pounds of incrustations removed . I at once commenced a new trial , and as I did not know exactly the proportion of salt necessary to completely prevent the evil , I resolved to double the former trial , and to use 200 grammes , which ...
... pounds of incrustations removed . I at once commenced a new trial , and as I did not know exactly the proportion of salt necessary to completely prevent the evil , I resolved to double the former trial , and to use 200 grammes , which ...
Pagina 50
... pound of muriate of ammonia , when forty pounds of scale were found to have been deposited . The boiler was worked four- teen hours daily , with water containing gypsum . With the addition of four - tenths of a pound of muriate of ...
... pound of muriate of ammonia , when forty pounds of scale were found to have been deposited . The boiler was worked four- teen hours daily , with water containing gypsum . With the addition of four - tenths of a pound of muriate of ...
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acid action alloxan ammonia amount animal apparatus appears atmosphere axis battery body boiler Bone phosphate British Association carbon carbonic acid cause cent chemical chloride coal color common containing copper cylinder deposits diameter earth effect electricity employed engines England exhibited experiments fact feet fibre fluid fluorides fossil glass guano gutta percha heat hydrochloric acid hydrofluoric acid hydrogen important inches increased invention iodine iron light lime liquid lower machine magnetism manufacture mass matter means metal metal leaf miles motion murexide natural nitric acid observations obtained operation ordinary oxide paper passed phosphorus plants plate potash pounds present pressure produced Prof proportion quantity recently remarkable rocks sal ammoniac salt ships Silurian solution species steam substance sulphur surface temperature tion Torbane tube vegetable vessel weight whole wire wood zinc