PORCELAIN SIGN Commonwealth Edison PUBLIC SERVICE OF NORTHERN ILLINOIS Exelon – 13’ long!

 
Large two-piece porcelain enameled sign that reads "PUBLIC SERVICE COMPANY / OF NORTHERN ILLINOIS / AUTOMATIC DISTRIBUTION CENTER."  Sign is overall 12′ 9" by 28 inches high; made in two pieces that bolt together.
Public Service Company of Northern Illinois was a gas and electric company created in 1950 by the merger of Western United [...]

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