Item showing new Mach 4 wind tunnel at Warton in Lancashire.
Unissued / Unused material.
New Mach 4 wind tunnel. Warton, Lancashire.
Exterior LS showing puff of smoke at end of wind tunnel. MS's exterior. MS looking down tunnel. Interior LS tunnel. MS showing panel controlling "sting" which holds model. CU control panel and Peter Midgeley. CU two men holding model of Lightning aircraft and taking it into tunnel.
CU through port of man and model in tunnel. Various shots observation room showing operating and measuring instruments. CU's man reading data from test on paper trace meter. Various CU's inside tunnel showing model.