IN Prof. Wyville Thomson's work “The Depths of the Sea” there appears to me a curious discrepancy between two statements of the specific gravity of the sea, to which it may be useful to direct ...

The specific gravity of steel is high, and this may have had an influence on the arrangement of the spheres, as the impact of the falling or rolling balls will have been rather high. Some ...

There is a considerable number of hydrocarbon oils (popularly spoken of as the light hydrocarbons on account of their low specific gravity) of mineral origin. That is, whatever their original ...