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    Determining the date of manufacture of the Hartmann Wetzlar binoculars

    I have nothing really helpful to add. My Hartmann Compact 7x42 carries the number 134504. I purchased it a few years ago from Holger Merlitz, who mentioned that this model started to be produced in 1965, and that the sample in question was "from the early 1970s" (knowing Holger, I guess he...
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