Electrol was invented in Providence 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 1921 we start to see the Electrol Manufacturing Company, of course advertising Electrol, this time for use in Radio.

Providence Journal
December 11, 1921

Providence Journal
December 22, 1921

Providence Journal
December 25, 1921

Providence Journal
May 28, 1922

Providence Journal
July 2, 1922

Providence Journal
July 9, 1922

Providence Journal
July 12, 1922

Providence Journal
July 23, 1922

Providence Journal
September 10, 1922

Providence Journal
September 17, 1922

In 1922 the company is sued for not living up to it's claims.

Providence Journal April 11, 1922

Providence Journal November 3, 1922

In 1923 the company is put into receivership.

Providence Journal November 16, 1923

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