s. Phe total cost ef the base of the towers, the approach is carried upon structure will approximate $650.0@@, which is about steel clliptical girders resting upon cast-iron col- one-third of what a high-leve} suspension bridge would umns, supporting a corrugated stecl flooring upon have cost.… … ' the shots. Bul- tower Lhe legs L are 30 feet The Towers in Course of Construction, Jets were fired ‘rhe Top of a Tower. from a= long: apart, narrow- ing to 6 feet 9 range heavy Russian caval- inches at the ry revolver of the Nirwan type an@ a heavy Amcrican ment has been adopted. The girders are…
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