There’s more about them here. Soviet prewar and war time trench periscopes
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There’s more about them here. Soviet prewar and war time trench periscopes
The L12 binos I ordered arrived.
https://www.milsurps.com/images/impo...06/L12A1-1.jpg
They are in much better condition than my old pair.
Thank you, Peter for all your help. Logic tells me these will work fine and I am happy with them. I will keep my old pair for parts if needed.