Four pencil sketches by Bryan de Grineau 1947-57: Cranfield
- Made:
- 1947-1957
- artist:
- Bryan de Grineau
Four pencil sketches by Bryan de Grineau 1947-57: Cranfield, testing instruments (DH Dove) for flight; NPL whirling arm; RAE control panels; Heston WAF lecture, Speedbird routes