Then there’s a tiny sketch of an angle of elevation; I suppose in those days we all knew what “sin x” meant. And we were evidently getting a well-rounded education – there’s a reading list on foreign policy. One of the authors was John Gunther (remember his books?) and another was Foster Rhea Dulles – hmm, interesting. Do you suppose that was Their mother? father?
But what got me excited was the cryptogram in the bottom left. A secret message from the past! And two of its sentences ending in exclamation points! Was I exchanging these with a friend? Leaving important clues for the 21st Century? I couldn’t wait to decipher it.
On the off chance that someone out there would like to solve a simple substitution crypt, I’ll wait until tomorrow to tell you what it said. You’ve got a head start, because it looks as if, back in 1942, I’d already found the easy giveaways – this is, the and a.