Actions for Wrought-iron beams. Letter from the Secretary of the Treasury, transmitting results of experiments made to test the strength of wrought-iron beams, &c [electronic resource].
Wrought-iron beams. Letter from the Secretary of the Treasury, transmitting results of experiments made to test the strength of wrought-iron beams, &c [electronic resource].
Record is based on bibliographic data in ProQuest U.S. Serial Set Digital Collection (last viewed July 2008). Reuse except for individual research requires license from ProQuest, LLC. AVAILABLE ONLINE TO AUTHORIZED PSU USERS.
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Electronic resource. [Bethesda, Md.]: ProQuest, 2004. (ProQuest U.S. Serial Set Digital Collection : no. 783 H.exdoc.56).