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Electrol Manfacturing was a Providence battery company started in 1918 by Edward Hacking from Central Falls. We have seen Edward Hacking before. He and his brother Edwin also started the Sahara Battery company in Providence. In 1918, Edward invented a new battery electrolyte used in batteries called Electrol. This substance was poured into the battery as a liquid and then sets to various degrees of hardness.



Providence Journal
July 28, 1918


Edward also started Hacking Manufacturing Company and advertised Electrol.



Providence Journal
July 7, 1918




Providence Journal
July 14, 1918




Then in 1922 we start to see the Electrol Manufacturing Company, of course advertising Electrol, this time for use in Radio.



Providence Journal
July 2, 1922




Providence Journal
July 9, 1922




Providence Journal
July 23, 1922




Providence Journal
September 10, 1922




Providence Journal
September 17, 1922




PATENTS


US1362294
ELECTRIC STORAGE BATTERY

US1362295
ELECTROLYTE FOR ELECTRIC STORAGE BATTERY

US1416195
ELECTRIC STORAGE BATTERY

US1421217
ELECTRIC STORAGE BATTERY