30 AVIATION August 1, 1920 ontractons to tbe Army, Navy and- Air-Mail-Service L WT- Engineering co,inc. College Point- New York.* “The Plug that Cleans Itself’ … “The Plug with the Infinite Spark” THE BREWSTER-GOLDSMITH CORPORATION 33 Gold Street, New York City, U. S. A.
Aviation Week
Internet Archive · Public domain (published before 1931). Free to use for anything.
