1979:
The Solartron Transducer Group
Solartron Vibrating Element Transducer Technology
Rec. Num. 25 of 26
Source: Flight December 1st 1979
1980:
The Solartron Electronic Group
Solartron Electronic Vibrating Element Transducer Technology
Rec. Num. 26 of 26
Source: Flight August 30th 1980