Chemical News and Journal of Industrial Science, Tomy 121-122Chemical news office., 1920 |
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Strona 9
... Nature , 1915 , xcv . , 66 ) to the loss of heat from hot wires , thermometer bulbs , & c . An equation is obtained which does not involve the dimen sions of the bodies and which agrees with the formula of CHEMICAL NOTICES FROM FOREIGN ...
... Nature , 1915 , xcv . , 66 ) to the loss of heat from hot wires , thermometer bulbs , & c . An equation is obtained which does not involve the dimen sions of the bodies and which agrees with the formula of CHEMICAL NOTICES FROM FOREIGN ...
Strona 19
... nature but are manufactured in the electric furnace and sold under such trade names as " crystolon , " " car- borundum , " " carbolon . " The Norton brand of aluminous abrasive , alundum , is made from the natural mineral , bauxite ...
... nature but are manufactured in the electric furnace and sold under such trade names as " crystolon , " " car- borundum , " " carbolon . " The Norton brand of aluminous abrasive , alundum , is made from the natural mineral , bauxite ...
Strona 20
... nature of any order , every wheel burned in the large kilns must remain there for the full time . After the wheels have been burned , they are sent to machines where they are shaped to exact size by means of hard metal cutters ...
... nature of any order , every wheel burned in the large kilns must remain there for the full time . After the wheels have been burned , they are sent to machines where they are shaped to exact size by means of hard metal cutters ...
Strona 21
... nature of the material to be ground - whether it is hard or soft , & c . If it falls under the general head of a high tensile strength material - such as all steels and down as far as the hard grades of bronzes - then an alundum wheel ...
... nature of the material to be ground - whether it is hard or soft , & c . If it falls under the general head of a high tensile strength material - such as all steels and down as far as the hard grades of bronzes - then an alundum wheel ...
Strona 35
... natural death through lack of students , and the first Russian university must be considered to be the Univer- sity ... nature study , " 1883 ; G. A. Kojewnikoff's " Reports about Russian Zoological Literature , " 1893 , & c . , but the ...
... natural death through lack of students , and the first Russian university must be considered to be the Univer- sity ... nature study , " 1883 ; G. A. Kojewnikoff's " Reports about Russian Zoological Literature , " 1893 , & c . , but the ...
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