3 3/8" X 3 5/8" (85mm X 91mm)
(dome embosssed) M&H PAT MAY 18 1915
Picture courtesy Bob Berry |
U-189A: USA
3 3/8" X 3 5/8" (85mm X 91mm)
(dome embosssed) M&H PAT MAY 18 1915
Picture courtesy Bob Berry |
U number assignment by Jack Tod. Manwaring-Hessel Patent 1,140,050 May. 18, 1915
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