Chemical News and Journal of Industrial Science, Tomy 121-122Chemical news office., 1920 |
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Strona 9
... metals , and ( 4 ) International Atomic Weights ( 1917 ) . The book appears to be remarkably free from errors , and ... metal by hydrochloric acid , has given commercial results . Having come to the conclusion that the adherence of the ...
... metals , and ( 4 ) International Atomic Weights ( 1917 ) . The book appears to be remarkably free from errors , and ... metal by hydrochloric acid , has given commercial results . Having come to the conclusion that the adherence of the ...
Strona 10
... metal , which depends on the pressure of air employed . b . The size of the grains . radicles is taken into the electro positive radical . For example , if the chloride is treated with silver nitrate only two atoms of chlorine are ...
... metal , which depends on the pressure of air employed . b . The size of the grains . radicles is taken into the electro positive radical . For example , if the chloride is treated with silver nitrate only two atoms of chlorine are ...
Strona 16
... metal cylinder , revolving at a speed of about one revo- lution in three minutes , at a distance of about three - quarters of an inch from the cathode . A scraper removes the clay from the anode , whence it falls down a shute clear of ...
... metal cylinder , revolving at a speed of about one revo- lution in three minutes , at a distance of about three - quarters of an inch from the cathode . A scraper removes the clay from the anode , whence it falls down a shute clear of ...
Strona 19
... metal by rubbing them on rocks which possessed abrasive qualities . It is not a matter of record when the idea of cutting out a circular block of stone , mounting it on a spindle , and re- volving it by hand was first thought of ...
... metal by rubbing them on rocks which possessed abrasive qualities . It is not a matter of record when the idea of cutting out a circular block of stone , mounting it on a spindle , and re- volving it by hand was first thought of ...
Strona 20
... metal cutters . Silicate wheels , as the name indicates , are made by using a bonding material composed of silicate of soda . These wheels are made by tamping into iron moulds , and they are baked at a compara- tively low temperature ...
... metal cutters . Silicate wheels , as the name indicates , are made by using a bonding material composed of silicate of soda . These wheels are made by tamping into iron moulds , and they are baked at a compara- tively low temperature ...
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