U.S. Service Issue Pocket Signal Disk for Semaphore and Morse Code Practice colored ink drawing which gives it a terrific

which gives it a terrific sculptural presence on the wall

and most of the animals on the fronts can still be distinguished

with nine lovely blonde wood pins and a cool ball

It is signed (incised) on the bottom

The message at the bottom from the sender

U.S. Service Issue Pocket Signal Disk for Semaphore and Morse Code Practice colored ink drawing which gives it a terrificThere were a few different iterations of double sided "Pocket Signal Disks" like this one I've seen one issued by the Boy Scouts, one from WWI, and this one from WWII designed for practicing two arm Semaphore and International Morse Code. Tons of information is densely packed onto both sides, with interactive dials allow one to scroll through a range of "special flags" and "alphabet flags" which correspond to flag positions and codes. I really love