Feature New “Jet” Pulverizer Produces Finer Powder By Science News Magazine Issue: Vol. 34 No. #3, July 16, 1938 Share this:Share Share via email (Opens in new window) Email Share on Facebook (Opens in new window) Facebook Share on Reddit (Opens in new window) Reddit Share on X (Opens in new window) X Print (Opens in new window) Print Having trouble viewing this? Open in a new window