Central Electricity Generating Board Course for Boiler Operators, lessons 1-18, plus diagrams and booklets relating to boilers and electricity. Booklets, plan, and diagrams relating to boilers
Two soft bound files containing copies of pages from the Electrical Times from 2 April 1925 to 30 December 1926 and 3 January to 29 December 1929, relating to power station operations. The Electrical Times