▁ 2 5 0 0 ▁s . f . ▁addition ▁to ▁their ▁plant . ▁ ▁For ▁national ▁security ▁reasons , ▁plant ▁production ▁was ▁often ▁not ▁made ▁public ▁until ▁after ▁the ▁war ▁was ▁over . ▁ ▁In ▁ 1 9 4 6 , ▁it ▁was ▁reported ▁that ▁The ▁Metal ▁W are ▁Corporation ▁had ▁been ▁producing ▁electric ▁lan tern s ▁for ▁soldiers ▁and ▁elect rical ▁app li ances ▁for ▁naval ▁ships . ▁▁ 1 9 4 6 - 1 9 8 0 ▁ ▁In ▁ 1 9 5 0 , ▁The ▁Metal ▁W are ▁Corporation ▁bought ▁the ▁assets ▁of ▁the ▁Her ah ▁Electric ▁Special ty ▁company ▁in ▁Mil w au kee ▁and ▁moved ▁the ▁dies , ▁patterns ▁and ▁materials ▁invent ory ▁to ▁its ▁Two ▁R ivers ▁plant . ▁ ▁The ▁Her ah ▁company ▁was ▁in ▁the ▁business ▁of ▁manufact uring ▁electric ▁wall ▁he aters , ▁electric ▁fire place ▁logs , ▁port able ▁he aters , ▁and ▁flu ores cent ▁light ing ▁special ties ... ▁ ▁They ▁had ▁employed ▁fewer ▁than ▁a ▁dozen ▁people . ▁ ▁Business ▁growth ▁continued ▁to ▁fuel ▁expansion . ▁ ▁An ▁additional ▁ 6 0 0 0 ▁s . f . ▁of ▁w are house ▁space ▁was ▁construction ▁in ▁ 1 9 5 2 . ▁ ▁In ▁the ▁mid ▁ 1 9 5 0 s , ▁metal ▁to ys ▁continued ▁to ▁be ▁a ▁large ▁part ▁of ▁the ▁company ' s ▁business ▁making ▁up ▁nearly ▁half ▁of ▁their ▁production ▁with ▁the ▁largest ▁portion ▁of ▁that ▁being ▁it ▁the ▁mini ature ▁ranges . ▁Other