The Pennsylvania Railroad (PARR) was one of the dominant railroad carriers in the US for over a century. Many of its lines in the east were electrified, and for auction is a copy of the PaRR's "Electrical Operating Instructions". It is dated March 1, 1960. This booklet covers such topics as damaged wires; pantographs; hand, flag & lamp signals; dead sections; sleet instructions; tonnage computations; multiple unit cars; resuscitation from electric shock; many more.