▁Seven ▁Types ▁of ▁Am big u ity ▁( Em pson ), ▁first ▁published ▁in ▁ 1 9 3 0 ▁by ▁William ▁Em pson <0x0A> </s> ▁German ▁sub marine ▁U - 3 3 5 ▁was ▁a ▁Type ▁VII C ▁U - bo at ▁of ▁Naz i ▁Germany ' s ▁Kriegs marine ▁during ▁World ▁War ▁II . ▁The ▁sub marine ▁was ▁laid ▁down ▁on ▁ 3 ▁January ▁ 1 9 4 1 ▁at ▁the ▁Nord see werke ▁yard ▁at ▁Em den ▁as ▁yard ▁number ▁ 2 0 7 , ▁launched ▁on ▁ 1 5 ▁October ▁and ▁commission ed ▁on ▁ 1 7 ▁December . ▁After ▁training ▁between ▁December ▁ 1 9 4 1 ▁and ▁July ▁ 1 9 4 2 , ▁U - 3 3 5 ▁depart ed ▁K iel ▁har bour ▁to ▁conduct ▁a ▁war ▁pat rol ▁in ▁the ▁Atlantic ▁Ocean . ▁However , ▁after ▁only ▁three ▁days , ▁she ▁was ▁tor ped o ed ▁and ▁s unk ▁by ▁a ▁British ▁sub marine ▁and ▁lost ▁with ▁only ▁one ▁surv iv or . ▁ ▁Design ▁and ▁description ▁German ▁Type ▁VII C ▁sub mar ines ▁were ▁preced ed ▁by ▁the ▁shorter ▁Type ▁VII B ▁sub mar ines . ▁Type ▁VII C ▁u - bo ats ▁had ▁a ▁disp lacement ▁of ▁ ▁on ▁the ▁surface ▁and ▁ ▁while ▁sub mer ged . ▁U - 3 0 1 ▁had ▁a ▁total ▁length ▁of ▁, ▁a ▁pressure ▁h ull ▁length ▁of ▁, ▁a ▁beam ▁of ▁, ▁a ▁height ▁of ▁, ▁and ▁a ▁dra ug ht ▁of ▁. ▁U -