Monroe Rivers with Model 8 Geodimeter (electronic distance measuring instrument ) . The Geodimeter is on a 4-foot wooden stand on top of a building.
Image ID: geod1087, NOAA's Geodesy Collection Location: Illinois, Chicago • High Resolution Photo Available
Publication of the U.S. Department of Commerce, National Oceanic & Atmospheric Administration (NOAA), NOAA Central Library NOAA Privacy Policy | NOAA Disclaimer Last Updated: September 30, 2009