01352cam a2200349I 4500100231573MiAaHDL20141013010000.0m d cr bn ---auaua900530s1871 dcu 000 0 eng c 12016145 sdr-uiuc2640466UC 10035841ASA-1073(OCoLC)1026137NYGNYGOCLCQUIUUIUUUG408.B25623.1qB259, 73-5433Barnard, J. G.(John Gross),1815-1882.Report on the fabrication of iron for defensive purposes,and its uses in modern fortifications especially in works of coast defense [with Supplement].Washington :Govt. Print. Off.,1871-72.2 v.illus., plates (partly fold.) fold. maps, fold. plans, fold. diagrs.30 cm.Professional papers of the Corps of engineers, U. S. Army.no. 21Supplementary report by John G. Barnard.By John G. Barnard, Horatio G. Wright and Peter S. Michie, of the Corps of engineers.Mode of access: Internet.Armor-plate.Coast defenses.Fortification.Michie, Peter Smith,1839-1901.Wright, Horatio Gouverneur,1820-1899.10023157320030720162328.020141013010000.020141112174242.02026-02-22T19:08:55Z2026-02-22T18:30:03ZSDR-UIUCUNKNOWNloader.pl-003-020BKsdr-uiuc2640466uiugSDRUIUCuiug.30112072407346UIU2640466UIUUIUC20260222googleuiug.301120724073461871pdbibUS bib date1 < 1931