Features diagrams including explosives placard example. Effective July 1, 1955. Includes freight handling procedures and safety regulations.
1955 Pennsylvania Railroad Explosives Regulations Freight Dangerous PRR Manual
Vintage Advertising Pocket Wallet Calendar Card: 1955 Pennsylvania Railroad
1961 Pennsylvania Railroad - rule book for Explosives & Dangerous Items
Pennsylvania Railroad Regulations Transportations of Explosives 1951 December 15
OCTOBER 1961 PRR PENNSYLVANIA RAILROAD TRANSPORTATION OF EXPLOSIVES RULES GN225E
Lot of 2 - Pennsylvania Railroad Annual Report: 1954 & 1955, Softcover
