Cased Wild T2 gyrotheodolite no.320852, with MW77 - Gyromat serial no.110, dated 1959.
One of the two instruments used by the British surveyors of the time of the Channel Tunnel.
Case, for one of two gyrotheodolites used by the British surveyors of the time of the Channel Tunnel. Wild T2 theodolite no.320852, with MW77 - Gyromat serial no.110, dated 1959
One of a pair of gyrotheodolites used by British surveyors during the excavation of the Channel Tunnel. Wild T2 theodolite no. 320852, with MW77 - Gyromat serial no.110, dated 1989. Fitted on base which forms part of case.
