U.S. Service Issue Pocket Signal Disk for Semaphore and Morse Code Practice French painting And the lifting the front

And the lifting the front latch up loosens the lid

Still looks great but am bumping the price down a bit on this one

I can say it is also one of the most useful

all but a couple filled

but i'd just leave it alone

U.S. Service Issue Pocket Signal Disk for Semaphore and Morse Code Practice French painting And the lifting the frontThere 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