Annual of scientific discovery. 1855Gould and Lincoln, 1855 |
Vanuit het boek
Resultaten 1-5 van 61
Pagina 28
... pressure of about 20 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 ...
... pressure of about 20 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 ...
Pagina 29
of the capacities of the high and low - pressure cylinders being about as one to two and a half , the steam may be supposed to be finally expanded in about that ratio , and the effect of each pair is theoretically equal to that of a ...
of the capacities of the high and low - pressure cylinders being about as one to two and a half , the steam may be supposed to be finally expanded in about that ratio , and the effect of each pair is theoretically equal to that of a ...
Pagina 35
... pressure , as , in measuring the height of mountains , we measure the barometical pressure of the air ; and so I would propose to do it by an instrument constructed as follows : - An accurately constructed tube of gun - metal or brass ...
... pressure , as , in measuring the height of mountains , we measure the barometical pressure of the air ; and so I would propose to do it by an instrument constructed as follows : - An accurately constructed tube of gun - metal or brass ...
Pagina 36
... pressure is applied from below to compress the spring . The glass tube has a small ring fixed in it , just so as to stick at any point to which it is pushed , and the button at the top of the rod serves to push the ring straight , and ...
... pressure is applied from below to compress the spring . The glass tube has a small ring fixed in it , just so as to stick at any point to which it is pushed , and the button at the top of the rod serves to push the ring straight , and ...
Pagina 38
... pressure " in the direction of its length . It lies upon a flexible iron band , which is attached to the end of the model , where the stick rests . As the anterior end of the model passes under the cogged wheel and rises to a right ...
... pressure " in the direction of its length . It lies upon a flexible iron band , which is attached to the end of the model , where the stick rests . As the anterior end of the model passes under the cogged wheel and rises to a right ...
Overige edities - Alles bekijken
Veelvoorkomende woorden en zinsdelen
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