Tellurometer - Measurement by Microwave. The Tellurometer unit was made up of
a master and remote that looked virtually alike and weighed 38 pounds apiece.
Photo Courtesy of the Alberta Land Surveyor's Association Surveying Instrument Collection

Doppler Station
Photo Courtesy Bob Tyszka

A Doppler Station Setup in Operation
Photo Courtesy Bob Tyszka

HP Total Station
Photo Courtesy Bob Tyszka

Early Laser Ely NV 1972
Photo Courtesy Bruce Haseley

Ranger V Laser Display
Photo Courtesy Bob Tyszka

Prism Target
Photo Courtesy Bob Tyszka

Prism Targets
Photo Courtesy Bob Tyszka