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Show SIMON LAKE, U-BOAT INVENTOR f T35S I Simon Lake has been at work 3J&Ji3A perfecting the modern submnrlno since jtjflL. And whllo ho wns perfecting tho dHKpilwBHB submarine for destruction ho was also BBBBp31Bik evolving ono for salvage. Today his ABP''' B plans nra complete, and out In Long BPT W Island sound lies tho submarine. Hfp Tho device Is apparently simple. BBlsJiM! jl A noncollapslblo steel tubo permits tho itK jpHv i (MU j()0r of t10 0CCHni night ot j ' stairs run down tills tube. Ono end . . ( j of tho tubo Is attached to tho surface v !i i- wMfiv 1 vessel and tho other to an operating 1 JfljyCyf chamber. Water-ballast tanks "are 4jP distributed throughout Its length so lHwp- that the structuro can bo placed In BJSt?&. , .Ldl equilibrium with tho water when ready Bk jMEtfrW for'submergenco. Hkv "Esby VHs. Under perfectly normal conditions MBABAv. La Jb1 " 011 " w"lk tl(nvn thesu stairs to H. 1,10 ,IC1 of "l0 Ben IIu c"" stL'l' 'rom BMBMEBsV, 'nC'v.s'. i the suhmarlno nnd walk In perfect safety nnd comfort on tho floor of tho ocean. There Is an nlrlocked chamber which enables a man to go out through u floor Into the sea, but which prevents tho water from coming In. |