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A couple of months ago I was cleaning out a display case that contains WWII aircraft radios, instruments and navigation devices. On one of the shelves I found the two items in the attached pictures. I have no idea what they are, or how they got there. I don't think the two items in the pictures are related; it was just convenient to photograph them together. Neither item has any numbers or other markings. I think both are made out of brass; both are non-magnetic, but heavy. The round item has a lens at one end, and a bail across the other. The hook (made of steel) in the larger piece is set in rubber, so it moves a bit. Since we are a WWII museum, and the pieces look old, I assume they are from WWII, but I don't actually know that. Do any of you, by dumb luck, happen to know what these items are? What they are used on or for? Thank you for your help.
Hello mjfur,