early 20th century 2000 amp direct current thomson watthour recording meter salvaged in the 1960s from open-ended basement switchboard in the pope building (h.g. hodgkins, 1903), located at 121-127 south plymouth court, chicago, il. one of the electricians involved in dismantling the board claims pope … Continue reading bldg. 51 museum acquires turn of the century open-ended electric switchboard components from one of last chicago buildings to convert from dc to ac power