Square-Search Compoutor
Armitage computor for variation setting
Course and Distance computor, Mk.IIA
Star L.H.A. Computor. Defective
Librascope D-R. Computor
Two course and distance computors (prototype)
Mechanical computor, for navigation vector triangle
Track and ground speed computor (prototype)
Distance time computor
Distance time computor
Two distance time computors
Simmonds-Goudime computor
Simmonds-Goudime computor
Computor Unit MkIII
1942