produces finer fibers than one con. ing interval between the two with the substance; and after cheapness of the slag and the simplicity of the process taining a large amount of silica, and therefore it is more heating this apparatus to a given degree in boiling water, it render the manufacture of… … A NEW soap has been patented in Germany which is com- mineral wool, which would cover 192 square feet two inches MAP SHOWING LOCATION OF RAPID TRANSIT RAILROAD posed of common soap with the addition of phosphate of IN NEW YORE. thick. The New York Hlevated Railroad ts represented by dlack lines ;…
Internet Archive · Public domain (published before 1931). Free to use for anything.
