AMERICAN METAL POLISHING PASTE.--

Bohemian Tripoli powder............. 1 pound.

Spanish whiting..................... 1 "

Commercial red oxide of iron........ ½ "

Common petrolin-burning oil......... 1 ounce.

Glycerine........................... q. s.

Water............................... q. s.

Oil of citronella................... ½ ounce.

Thoroughly mix the powders, then add the petrolin, etc.--Mag.

Pharmacy.

Scientific American Supplement, No. 1082, September 26, 1896 · 第 54 / 68 题