A few years after the introduction of electronic distance measuring instruments (EDMs) many companies made them so they could be mounted on theodolites. It would only be a matter of time before Total Stations were introduced which integrated electronic distance measuring (EDM) capabilities with theodolites.
Total Station, Topcon, GPT-6005C
Total Station, Geodimeter, GDM 610
Total Station, Topcon, Guppy GTS-10D
