1. British Electrical Development Association.

Electric motors and controls.

London, British Electrical Development Association, [1954]. 23 x 15 cm. 279 pages with numerous photographic plates, diagrams. Original Hardcover with original dustjacket in protective collector’s mylar. Excellent condition with only minor signs of external wear. [Electricity and productivity series. No.1].

2. British Electrical Development Association.

Process Integration and Instrumentation.

London, British Electrical Development Association, [1959]. 23 x 15 cm. 203 pages with numerous photographic plates, diagrams. Original Hardcover with original dustjacket in protective collector’s mylar. Excellent condition with only minor signs of external wear. [Electricity and productivity series. No.8].