▁P & W , ▁where ▁they ▁were ▁turned ▁into ▁line - main ten ance ▁cars . ▁ ▁Finally ▁in ▁ 1 9 0 7 , ▁ 2 2 ▁wooden ▁passenger ▁cars , ▁almost ▁identical ▁to ▁the ▁original ▁order , ▁arrived ▁on ▁P & W ▁property . ▁ ▁They ▁were ▁originally ▁equ ipped ▁with ▁rect angular - sh aped ▁bow ▁collect ors , ▁which ▁were ▁later ▁replaced ▁with ▁t rol ley ▁pol es ▁for ▁use ▁in ▁the ▁car bar n ▁area ▁in ▁addition ▁to ▁third ▁rail ▁sho es . ▁ ▁Of ▁these ▁cars , ▁No . ▁ 4 6 ▁surv ives , ▁along ▁with ▁line ▁car ▁No . ▁ 4 0 1 ▁from ▁the ▁original ▁order ; ▁both ▁of ▁which ▁are ▁preserved ▁at ▁the ▁Electric ▁City ▁T rol ley ▁Museum ▁in ▁Sc r anton , ▁PA . ▁ ▁Prior ▁to ▁the ▁move ▁to ▁Sc r anton , ▁they ▁ran ▁as ▁a ▁two - car ▁train ▁while ▁in ▁operation ▁at ▁the ▁Philadelphia ▁Water front ▁every ▁Christmas ▁season ▁for ▁many ▁years ▁as ▁the ▁" S anta ▁Train ," ▁with ▁No . ▁ 4 0 1 ▁operating ▁as ▁Santa ' s ▁work shop ▁and ▁No . ▁ 4 6 ▁used ▁for ▁the ▁passengers . ▁ ▁One ▁type ▁of ▁vehicle ▁used ▁for ▁this ▁line ▁were ▁two ▁ 4 - unit ▁art ic ulated ▁train ▁sets ▁called ▁" L iber ty ▁Lin ers ", ▁which ▁were ▁originally ▁the ▁Chicago ▁North ▁Sh ore ▁and ▁Mil w au kee ▁Rail road ' s ▁Elect rol in ers . ▁ ▁These ▁sh