U.S. Service Issue Pocket Signal Disk for Semaphore and Morse Code Practice French painting 14 5/8" long x 5

14 5/8" long x 5 1/4" wide x 7 1/2" tall

Early 20th century I'd think

" along with a "T" and an "B" (listed separately) packed together in an envelope at an antique shop and just love them

but i'd just leave it alone

And it looks great stacked with a bunch of other boxes

U.S. Service Issue Pocket Signal Disk for Semaphore and Morse Code Practice French painting 14 5/8" long x 5There 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