Well fond this a few feet from a old signal base. Cleaned up nice has a embossing of: -BATTERY OIL-NATINAL CARBON-COMPANY-A DIVISION OF-UNION CARBIDE-AND CARBON CORP.-30 EAST 42 ND ST.-NEW YORK17, N.Y.-MADE IN U.S.A.- Note:(-) indicates lines. on the bottom is a Tower looking making an a number 7. Thanks