2004-09
This lot is closed for bidding. Bidding ended on 8/31/2004
Lot of 4 items concerning the Hudson River railroad bridge, 9 pages total, quarto, 1864-1867. The earliest letter, 4 pages, penned on the letterhead of New York's Naylor & Co. and dated November 22, 1864, is a copy of one from Sheffield, England which gives detailed specifications for Bessemer steel. VF...Plus; Autograph Letter Signed "Naylor", 4 pages, June 23, 1865, to Julius Adams, New York. Written to the Chief Engineer of the bridge project, this letter discusses "substituting steel for iron in American bridge construction". VF...Plus; Autograph Letter Signed "Geo. P. Herthel", one page, quarto, June 24, 1867, St. Louis, Missouri to J.W. Adams, New York City. Written on the letterhead of the Office of the Western Patent Agency, this letter discusses advanced suspension bridge construction techniques. VF....Plus; Diagram, DETERMINATION OF "CORDS" OF "STIFFENING TRUSS" FOR SUSPENSION BRIDGE, 10 1/2" x 16 1/2", ca. 1860's. An engineering schematic for an early suspension bridge. Some splits and paper loss, else Good condition.
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