Niagara Machine and Tool Works, Inc.; Schlage Lock Company
Buffalo, N.Y., U.S.
165-34 MOD number on Amphenol plug
393 lot number
4817 under "Schlage lock"
P-56834 on metal plate inside lid
11 x 6 1/2 x 7 lb.
"Lot No. 393 Quantity Ashman Company" on a tag wired to handle of the case. There is a key for the lock attached to the lock by a piece of string. This test unit appears to be permanently mounted inside leather carrying case.