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![Observing with Wild T-3 theodolite geod1084.jpg Observing with Wild T-3 theodolite](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_geod1084.jpg?itok=HuK2vB_Z)
Description
Observing with Wild T-3 theodolite. Note centering plate secured to inner tower with C-clamps. This plate is directly above the survey mark on the groundbelow as determined by the collimator in image 1076. Ron Ramsey observer.
Location
Illinois, Chicago
Collection
Geodesy