Annual of scientific discovery. 1855Gould and Lincoln, 1855 |
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Pagina 68
... liquid in the bar- rel is to be decanted off , and may be used repeatedly for the same purpose ; the pins are washed in cold water , then put in a tray containing a hot solu- tion of soap , and agitated for about two minutes . The soap ...
... liquid in the bar- rel is to be decanted off , and may be used repeatedly for the same purpose ; the pins are washed in cold water , then put in a tray containing a hot solu- tion of soap , and agitated for about two minutes . The soap ...
Pagina 76
... liquid have passed off by evaporation , draw off the remaining quarter of a gallon of liquor , and allow it to cool . In this liquor the files are to remain four hours , and are then to be removed and brushed , cleaned in clean water ...
... liquid have passed off by evaporation , draw off the remaining quarter of a gallon of liquor , and allow it to cool . In this liquor the files are to remain four hours , and are then to be removed and brushed , cleaned in clean water ...
Pagina 92
... liquid , either cold or hot , was poured into an upper reservoir , whence it descended by a centre tube to beneath the lower diaphragm , and was forced upwards by the press- ure through the superposed substance , every particle of which ...
... liquid , either cold or hot , was poured into an upper reservoir , whence it descended by a centre tube to beneath the lower diaphragm , and was forced upwards by the press- ure through the superposed substance , every particle of which ...
Pagina 96
... liquid which burned under water . Louis XV . allowed him to make experiments in the canal at Ver- sailles , and then in different seaports , to try the power of the liquid in setting vessels on fire . It is said the results produced ...
... liquid which burned under water . Louis XV . allowed him to make experiments in the canal at Ver- sailles , and then in different seaports , to try the power of the liquid in setting vessels on fire . It is said the results produced ...
Pagina 101
... liquid state . About one thousandth part by weight , of turpentine , and a little of any of the perfumed resins , are then thrown in and all well stirred until the whole are thoroughly incorporated together ; this takes about two hours ...
... liquid state . About one thousandth part by weight , of turpentine , and a little of any of the perfumed resins , are then thrown in and all well stirred until the whole are thoroughly incorporated together ; this takes about two hours ...
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