A special advertising insert (16 pages) from the New York Times dated February 5, 1967, that is suitable for framing or desktop conversation piece.  A must for anyone in the energy field.  Check out the 1960's era advertisements on lighting.  Now here is a collectible... an old-style lightbulb donated by an OPPD retiree, two CFL's  and a more modern version of a OPPD bucket truck.