BWWN/55/9
"British Engine Boiler and Electrical Ins CO: Proposals For Inspection Service Under New Factory Regulations 1937"
Booklets "Factories Act 1937, Arangement of Section", "Factories Act 1937", "A Guide to the Factories Act 193", handbooks and notes on safety regulations
1937-1938
BWWN/55/9