Source: Life magazine - December 7, 1936
I think i have seen this ads somewhere with same catch phrase.
Found, this is it https://sh.itjust.works/post/21718706
Source: Life magazine - December 7, 1936
I think i have seen this ads somewhere with same catch phrase.
Found, this is it https://sh.itjust.works/post/21718706
False ads. Marketing just made shit up according to what people were worrying about at the time.