cruello reblogged
Source: mudwerks
Brooklyn Dodger rookie hopefuls work out at spring training, 1948.
From the 1941 Abbott and Costello film, "Buck Privates." (You can see the whole film on YouTube, in 14 parts. Just search, writing Buck Privates.)
An Enigma Machine in use in 1943. The Enigma was a complex cryptography tool used by the Axis—and cracked by the allies—in World War II.