All damaged concrete also will be repaired, and to reverse the shabby, patched look of the entire factory site's concrete exterior, a buff-colored stain will be tested, for possible use, to make the place look more aesthetically pleasing, said Harris, of the S. Harris and Co. firm in Philadelphia.
After all the repairing and refinishing is completed, the place should "look more uniform in its color and texture, that it did originally," Harris predicted.
The nearly century-old battery factory complex - formally known as the Thomas Edison Invention Factory and Commerce Center - is across the street from the Edison National Historic Site and museum operated by the U.S. Park Service.
Edison employees used to manufacture storage batteries once used in light delivery vehicles, automobiles, railroad signals, industrial applications and mining equipment. Battery manufacturing operations ceased there in 1965.
The factory has no current affiliation with the historic site and museum.