Thanks for the link!
I also have a collection of Popular Science from the 1920's/1930's.
In my youth, we'd spend countless hours reading these. For every hundred
wacky ideas or inventions, now and then you would come across the one
invention, that with the benefit of 20-20 hindsight, you would appreciate went
on to being a winner.
Whereas the magazine then would devote entire pages to some lunatic
idea, some ground breaking developments were often only given a couple
of obscure column inches, yet they would stick out like gems in the dust.
However, it was the wacky idea articles we enjoyed reading the most, many so
crazy that tears would stream down our faces with laughter.
When one browses the magazines from the late 1920's through to the late
1930's, one cannot help come away with the feeling that war is almost
inevitable. There is a preoccupation with new weaponry.
Here are some scans I just made of a August 1938 edition.
Check out the Knapsack Radio compared to today's iPod.