Carl Zeiss introduced the Model Ni 002 Automatic Geodetic Level around 1973, terming it a self-aligning level of maximum precision. This example belonged to the United States National Geodetic Survey. New, it cost $5,000. An additional tag reads "U.S. Government 48824 Dept. of Commerce NOAA."
Ref: Gerhard Hüther, "The new Automatic Geodetic Level Ni 002 of VEB Carl Zeiss JENA," Jena Review (Spring 1973): 56-60.
Carl Zeiss, Instruction Manual. Automatic Geodetic Level NI 002.