on the cross beam until the next sec to the support afforded to the compres Supporting the Tower on the Crossbeam While a Section of the Third Leg The Tower in Course of Erection Showing the Members Two Legs Completed' on the Ground Ready for Lifting. The Completed Tower from a Photograph Taken on September 2. THE OUTLOOK TOWER OF BEINN BHREAGH THE FIRST IRON STRUCTURE BUILT OF TETRAHEDRAL CELLS., scientific american, 1907-10-05
on the cross beam until the next sec to the support afforded to the compres Supporting the Tower on the Crossbeam While a Section of the Third Leg The Tower in Course of Erection Showing the Members Two Legs Completed' on the Ground Ready for Lifting. The Completed Tower from a Photograph Taken on September 2. THE OUTLOOK TOWER OF BEINN BHREAGH THE FIRST IRON STRUCTURE BUILT OF TETRAHEDRAL CELLS., scientific american, 1907-10-05
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Photo credit: © Corantos / Alamy / Afripics
License: Licensed
Model Released: No
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