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The K-14 GunsightI can't tell you how many questions I get related to the K-14 gunsight, so I was really excited when this new manual was donated this week! The K-14 gunsight was used on the P-51 (and

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Almost 60 New Manuals Added This Week!While the Hamilton Standard Service Bulletins continue to be scanned and uploaded with no end in sight, there are some really interesting manuals scattered in thi

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