I find in, Eberhard Rössler's book, THE U-BOAT The evolution and technical history of German submarines, two schematics of the typ IIA class, 1 shows the boat with one scope and the other with 2 scopes. The blueprint of CV707 show it with 2 scopes.
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During times of universal deceit, telling the truth becomes a revolutionary act.
~ George Orwell
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