▁of ▁twelve ▁ ▁guns , ▁also ▁in ▁individual ▁mount s . ▁She ▁was ▁also ▁equ ipped ▁with ▁four ▁ ▁under water ▁tor ped o ▁tub es , ▁one ▁in ▁the ▁bow , ▁one ▁in ▁the ▁stern , ▁and ▁one ▁on ▁each ▁broad side . ▁The ▁ship ▁was ▁protected ▁by ▁a ▁ ▁arm ored ▁bel t ▁consisting ▁of ▁Kru pp ▁c ement ed ▁arm or , ▁along ▁with ▁an ▁arm ored ▁deck ▁that ▁was ▁ ▁thick . ▁Her ▁main ▁battery ▁tur rets ▁had ▁faces ▁ ▁thick ▁and ▁her ▁con ning ▁tower ▁had ▁an ▁equal ▁amount ▁of ▁arm or ▁on ▁its ▁sides . ▁ ▁Service ▁history ▁Prin z ▁Ad al bert ▁was ▁ordered ▁under ▁the ▁prov is ional ▁name ▁" B " ▁and ▁built ▁at ▁the ▁Imperial ▁D ock yard ▁in ▁K iel ▁under ▁construction ▁number ▁ 2 7 . ▁Her ▁ke el ▁was ▁laid ▁in ▁April ▁ 1 9 0 0 ▁and ▁she ▁was ▁launched ▁on ▁ 2 2 ▁June ▁ 1 9 0 1 . ▁The ▁launch ing ▁ceremony ▁was ▁attended ▁by ▁the ▁Kaiser , ▁Wilhelm ▁II , ▁his ▁wife ▁Kaiser in ▁August a ▁Victoria , ▁his ▁brother ▁Admir al ▁Prince ▁Heinrich ▁and ▁Wil hem ' s ▁son , ▁Prince ▁Ad al bert ▁of ▁Pr uss ia . ▁The ▁ceremony ▁of ▁christ ening ▁the ▁ship ▁was ▁performed ▁by ▁Princess ▁I rene ▁of ▁Pr uss ia , ▁wife ▁of ▁Prince ▁Heinrich , ▁who ▁then ▁delivered ▁a ▁speech . ▁F itting - out ▁work ▁proceeded ▁slowly , ▁in ▁large ▁part ▁the ▁result ▁of ▁the ▁Imperial