Assembly and details of buffer O L H Metal Clad gear, English Electric Company Ltd; Diagram of a Tirrill Regulator; diagram of a spout for Busbar chamber - Metal clad draw out gear, English Electric Company Ltd; technical operation diagram; diagrammatic arrangement of condensate piping; diagram of the starter connections for the I D and F D Fan motors; Various reports concerning the boilers; recommendations for the reduction of fire risk in the power station switchrooms; brochure from The Walter Kidde Company Ltd London, concerning the Lux fire extinguishers.