WW2 Canadian RCAF Aircraft Radiator Guage

This is a World War II-era radiator gauge manufactured for use in Royal Canadian Air Force (RCAF) aircraft. The instrument was designed to monitor engine coolant temperature, an essential function for ensuring reliable engine operation and performance during flight. Constructed from metal and glass, it features a clear, easy-to-read dial face marked with temperature graduations specific to RCAF requirements of the period. The gauge includes original mounting hardware and electrical connections, reflective of its intended installation in aircraft instrument panels. Part numbers and manufacturing markings are present, providing insight into its production and application history. Such gauges were standard in a variety of Canadian military aircraft, supporting operations in diverse environments. This artifact represents a piece of Canada’s aviation heritage, illustrating the technical advancements and instrumentation used by the RCAF during the Second World War. The item displays typical period wear and patina consistent with age and operational use.