Given in October 1958 by U.S. Air Research and Development Command in order to observe artificial satellites, after the launch by USSR of the first Sputnik the 4th October 1957.
Theodolite for the observation of artificial satellites
Given in October 1958 by U.S. Air Research and Development Command in order to observe artificial satellites, after the launch by USSR of the first Sputnik the 4th October 1957.