Established 1885 · Reestablished 2026
American Protective Tariff League

Library · AISA

The Iron Age 1880-10-21: Vol 26 Iss 17

1880 Reed Business Information US

Read in full

Hosted at the Internet Archive · Open on archive.org

Opening Pages

LTY. ’ IVES lass. AND S. uote the y other e 4 ICAN. Vol. XXVI: No. 77. A Wrought Iron Roof. We give this week a well-designed ex- ample of am iron roof construction, recently built for the trustees of Columbia College. The design, which is by Mr. Alfred P. Boller, C. E., of this city, is so fully illus- trated by our drawings as to leave little to be described. The roof covers the college boiler house, which is 42 x 54 feet, the walls being 2 feet thick. Figs. 1 and 2 give plan and section, re- spectively, of the roof, while Fig 3shows on a somewhat larger scale the exact construction of one rafter. Figs. 4 and 5 area plan and a section, respectively, of the wall plate or shoe, while Figs. 6, 7 and 8 give a side view, plan and end view, re- spectively, of the collar plate. The raised lantern has movable louvres on the four sides, and glass in the trancated corners. The roof is slated on narrow matched boards, planed on the under sides, which are exposed from below. a - The Duty on Iron Ore, A correspondent of the Buffalo Express writes as follows about the duty on iron ore : The present duty on foreign iron ore coming into our markets is 20 per cent. ad valorem (of their current va…

Citation

The Iron Age 1880-10-21: Vol 26 Iss 17. Reed Business Information US. 1880.