Frigidaire started in a wooden shack in Aerodrome Road, employing 11 people in 1923, and selling the first automatic household fridges in England.
It now resides at the Royal Air Force Museum at the site of the former Royal Air Force station RAF Hendon, Colindale, London.
The Proper Officer then sends a report to the Centre for Infections of the Health Protection Agency (HPA) in Colindale, north London.