Course and Speed Calculator MkIIA
- Catalogue number
- AIR 31
- Production date
- calculator: metal
- calculator: plastic
- Alternative Names
- FULL NAME: Course and Speed Calculator MkIIA
- SIMPLE NAME: instrument: British
- Object Type
- navigational instrument
- vehicles, aircraft and ships
Second World War period 'Course and Speed calculator' associated with the service of Flight Lieutenant J F Leggo in 617 Squadron, Bomber Command, Royal Air Force (RAF). 'Jack' Leggo served as a navigator crew member of Flight Lieutenant H B ('Mick') Martin's Avro Lancaster bomber aircraft.
calculator and transit box calculator (in metal and plastic), and wooden transit box bearing painted markings: 'Course & Speed Calculator MkIIA, HTA (1928) Ltd, 276/39, AM 6B/125'.
Course & Speed Calculator MkIIA, HTA (1928) Ltd, 276/39, AM 6B/125
Associated people and organisations
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