(Entered at the Post Office of New York, N. Y., as Second Class Matter. Copyright, 1901, by Munn & Co.| A WEEKLY JOURNAL OF PRACTICAL INFORMATION, ART, SCIENCE, MECHANICS, CHEMISTRY, AND MANUFACTURES. Vol, LXXXV.—No. 18.] NEW. YORK, SEPTEMBER 28, 1yUv1. … ss + oe — = Rolling Lift Bridge Over Chicago River at Van Buren Streét. Six-Track Rolling Lift Bridge at South Terminal Station, Boston. aes Electrically Operated Highway Bridge ‘Across the Chicago River at North Halsted Street, Chicago. ROLLING LIFT BRIDGES.—[See page 198.]
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