U.S. ARMY GUN BORE SIGHT KIT TYPE J-2, AMERICAN SCIENTIFIC INSTRUMENT CO. NEW YORK, NY.1943
美國陸軍,J-2型砲膛校正器,紐約州 紐約市,美國科學儀器公司,民國32年《Black Water Museum Collections | 黑水博物館館藏》
U.S. ARMY
GUNBORE SIGHT. KIT
TYPE J-2
Consisting of one of the following
MUZZLE SIGHT SP-0554
50 CAL. MUZZLE SP-5104
20 M.M. MUZZLE SP-4633
37 M.M. MUZZLE SP-5098
MUZZLE EXPANDER SP-0561
MUZZLE EXTENTION SP-0561
AMERICAN SCIENTIFIC INSTRUMENT COMPANY
NEW YORK, NY 1943
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