| GENE SLOVERS US NAVY PAGES OP 820 40MM ANTIAIRCRAFT GUN 40MM MACHINE GUN MECHANISM MARK 1 MARK 2 MARK 1, MOD 1 MARK 2, MOD 1 40MM GUN BARREL MARK 1 40MM SIGHT MARK 3 MARK 4 DESCRIPTION AND OPERATION |
IN THE PAGES OF OP 820 SHOWN HERE THE FOLLOWING PAGES ARE BLANK. PAGE 4, 10, 16, 40 AND 50 |
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| PAGE 4 IS A BLANK PAGE |
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| PAGE 10 IS A BLANK PAGE |
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