There is a wealth of information available in the original WW2 Army Motors published by the Technical Service Division, Holabird Quartermaster Motor Base, Baltimore, MD
How to Master the Vacuum Gage
This article originally appeared on pages 171 thru 174 or Vol. 3, Army Motors.
“They used to tell the story of Cpl. Willie McHugh whose squad was the best-behaved in the old Rainbow Division. Willie never hand any trouble.”
For the rest of the story, click here for a PDF file (229kb)