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![Model 8 Geodimeter measuring distances from a rooftop in Chicago geod1088.jpg Model 8 Geodimeter measuring distances from a rooftop in Chicago](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_geod1088.jpg?itok=W8u4xfja)
Description
Model 8 Geodimeter measuring distances from a rooftop in Chicago. Note the reddot to right of instrument. This is the laser-light return signal reflectingfrom a glass prism atop another building.
Location
Illinois, Chicago
Collection
Geodesy