Instruction cards, plastic, set of pocket safety cards, issued by British Rail. The five cards are as follows: Safety when working in depots / electric stock, electric shock from conductor rails / overhead traction equipment, treatment for electric shock, dry powder / water (gas pressure) fire extinguishers, and carbon dioxide (CO2 gas) / B.C.F. type fire extinguishers. Safety and fire extinguisher instruction cards 1970-1979