Major-General Sir Millis Rowland Jefferis KBE MC (9 January 1899 – 5 September 1963) was a British military officer who founded a special unit of the...

Australian artistic gymnast Millis Jefferis (1899–1963), British engineer developed unusual weapons during WWII Plummer E. Jefferis (1851–1925), American politician...

anti-tank weapon in the hands of a colleague in the department, Major Millis Jefferis. Jefferis took the prototype Baby Bombard apart on the floor of his office...

evacuation. The grenade was designed by a team from MIR(c) including Major Millis Jefferis and Stuart Macrae. It consisted of a glass sphere containing an explosive...

organisation of the Second World War. Its two key figures were Major Millis Jefferis and Stuart Macrae, former editor of Armchair Science magazine. MD1...

used by the SOE and Auxiliary Units. The two key figures were Major Millis Jefferis and Stuart Macrae. MD1 began in the "Military Intelligence Research"...

bombard for naval use was made in partnership with MIR(c) under Major Millis Jefferis, who had taken Blacker's design and brought it into use with the Army...

quote needs a citation] Another, subsequent type was developed by Millis Jefferis of MD1 known as the "Lead Delay switch" or officially "Switch, No....

Europe. Blacker showed his list of ideas to the head of MD1, Major Millis Jefferis, who was taken with the design for the Bombard. He argued that it could...

anti-tank" or PIAT. By 1942, the PIAT had been developed by Major Millis Jefferis. It was a combination of a HEAT warhead with a spigot mortar delivery...