1959 ABCO Dual Voltage Battery Ad - "At last! A Battery that will provide 12 volts for starting iron equipment, and still give regular 6 volt operation for all other electrical equipment."
1959 ABCO Dual Voltage Battery Ad - "At last! A Battery that will provide 12 volts for starting iron equipment, and still give regular 6 volt operation for all other electrical equipment."

1959 ABCO Dual Voltage Battery Ad - "At last! A Battery that will provide 12 volts for starting iron equipment, and still give regular 6 volt operation for all other electrical equipment."