Beyer Pocket Cryptologic Device
A Beyer pocket cryptologic device from the 1930s, which in size and appearance resembles a pocket watch of the ...
An Eclectic Mix of Acquisition Items
Harry Letaw’s Collection
Former Essex Corporation Chairman and CEO Harry Letaw donated three unique items to the NCMF, ...
1796 letter from William Coleman with a shorthand code
EA-3B Skywarrior Photos
Two large, unique mounted photos of the EA-3B Skywarrior were donated in 2014 by Foundation supporter Dennis ...
Rare Yardley Letter
Of note is the first paragraph of the letter which states: "It is inconceivable to me that American officials ...






