Show oklahoma vice vice ice mans invention 19 19 pacific northwest industry henry invention electric fir fish top top stop efficient way prevent wrong Ft lot lot lost thou doll doll every inefficient away intake EL difficult problem electric fish fl stop JO PREVENT FISH ENTERING WRONG RIVER invention electric fields voltage cross stream paid khan device far ah ah nh power force current turbine RIV ER ga odd 25 farthest down best stream small fish contact electric current back main current river fields volt ape ape ace ape ace act slip slip size fl sensitive tIre electric cur neater neater water northwest ash go invitation alaska fish demonstrate electric step step stop step stop atop north range |