Admiralty specification for an unarmoured cruiser to be named HMS Amphion (1911), an Active class Scout Cruiser.

Part V. Electric generating machinery and Electrically driven ice-making and magazine cooling machinery.
Includes: Electric generating machinery, engines, dynamo machines, electrically driven machine of the ammonia type for cooling magazines and ice making and magazine cooling machinery, mode of packing spare armatures and field coils, standard and other test applicable to all electrical machinery and apparatus. Quality of and tests for materials, instruction for preparing drawings and tenders to supply this equipment - Parsons Marine Steam Turbine Co.