Analysis of information sources in references of the Wikipedia article "Todt Battery" in English language version.
Chamber volume increased from 19,467 to 22,072 in3 (319.01 to 361.70 dm3), rifling length reduced correspondingly from 629.2 to 620 in (15.98 to 15.75 m)
Chamber volume increased from 19,467 to 22,072 in3 (319.01 to 361.70 dm3), rifling length reduced correspondingly from 629.2 to 620 in (15.98 to 15.75 m)
(...); the 1st Canadian Army attack the fort at Cap Gris-Nez in September 1944; (...) Cap Gris-Nez Garrison; cross-channel guns are disabled.
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: CS1 maint: location missing publisher (link)(...); the 1st Canadian Army attack the fort at Cap Gris-Nez in September 1944; (...) Cap Gris-Nez Garrison; cross-channel guns are disabled.