|Title||Core and legs of Space Needle under construction,
September 15, 1961 | |Photographer||Dudley, Roger |
|Caption||The Howard Wright Construction Company broke ground at
the Space Needle site on April 17, 1961. The result of a design
collaboration among businessman Edward E. Carlson, architect
John Graham and University of Washington architecture professor
Victor Steinbrueck, the Space Needle was built for the 1962
Century 21 Exposition (World's Fair) in Seattle. With the
addition of the final torch tower, the construction of the 600
foot Space Needle was completed on December 8. 1961. Seattle's
Pacific Car and Foundry Company was the subcontractor for the
steel fabrication and erection.| This photograph depicts the
partially completed core and legs of the Space Needle. The legs
of the Space Needle consist of three 36-inch wide flanged beams
welded together flange-to-flange and stiffened with diaphragms
to form large three-sided tubes. The Needle's triangular core
houses utilities and two stairways, with