^^@9\ Pt^^S^ Sgfafc.a, MERICAN CIENTIFIC "K2K, [Entered at the Post Office of New York, N. Y., as Second ClaeB Matter. Copyright, 1908, by Mann & Co.] NEW YORK, MARCH 28, 1908. x r 10 CENTS A COPY Vol. XCVIII.—No. 13.i _±, Established 1845. J * $3.00 A YEAR. … 1 Steel Falsework for Carrying the Island Span During Erection $ This Span The 600-ton Traveler is Putting in Position the Last Section of the Weighs 16>£ Tons to the Foot. 1,182-foot Cantilever. Total Length of Bridge, Including Approaches, 7,408 Feet. Total Length of Cantilevers, 8,727 Feet.…
Balloon · Valve · Feet · Cantilever · Aeronaut · Fixation · Scientific American · Total weight · Total length · Carbon disulphide · East river · Sewing machine · Wood block · Gas bag · Plaster cast · Sand bags
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