You've probably seen the usual war effort ads from WWII. This was published in JAMA (Journal of the American Medical...

You've probably seen the usual war effort ads from WWII. This was published in JAMA (Journal of the American Medical Association) in the 1940s.
P.S. I love how they felt it needed to be clarified that this was directed towards (female) victory workers. It's so confusing.
P.P.S. Worst. Pun. Ever.