a] rE exert i ot (Entered at the Post Office of New York, N. Y., as Second Class matter. SEDER: 1894, by Munn & Co.] A WEEKLY JOURNAL | OF PRACTICAL INF ORMATION, ART. SCIENCE, MECHANICS, CHEMISTRY, AND: ‘MANUPACTURES. NEW YORK, JULY 98, 1804, $3.00 A YEAR. Vol. LXXI.-—No. 4. | WEEKLY. EsraBiisHep… … PHONO YU usu uN | (rm 1 \ Longitudinal section of the tunnel, showing location under the East River. Opening ceremonies at the Long Island City entrance to tunnel, on July 14, The completed tunnel through rock formation. A segment of the cast iron lining. Interior of iron lined section, showing…
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