Inscrição
PARTE FRONTAL: “INTERNATIONAL EQUIPMENT COMPANY”/ “BOSTON, MASS, U.S.A.”/ “AUTO-TRANSFORMER”/ “FOR ALTERNATING CURRENT ONLY”
PARTE POSTERIOR: “TO INSPECT BRUSH REMOVE THIS COVER”/ “POWERSTAT”/ “VARIABLE AUTOTRANSFORMER”/ “TYPE. 236-1042”/ “SPEC. BP57677”/ “SER. 350”/ “INPUT VOLTS. 230”/ “1” / “PH 50/60”/ “OUT VOLTS D-230/270”/ “AMPS 9”/ “MAX. W 2,4”/ “THE SUPERIOR ELETRIC COMPANY, BRISTOL, CONNECTICUT, U.S.A.”/ “CONNECTIONS SHOW FACING COMMUTATOR”.