Media File No. 198851
Vertical and torsional motion from east tower Showing angular distortion approaching 45 Degrees with lamp posts appearing to be at Right angles, 7 November 1940, from 16mm film Shot by Professor F. B. Farquharson, University of Washington. ("Laboratory studies on the Tacoma Narrows Bridge, at University of Washington" [Seattle: University of Washington, Department of Civil Engineering, 1941]) (HAER WA-99-35)
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