| Book | Requires cookie* | ||
| 1 | Title: | Parr's improvement in monitor and armor-plated vessels: patented October 25, 1864 | |
| Publication: | Wright & Potter, Boston,1865. | ||
| Call #: | P 7645 | ||
| Extent: | 12 p. : ill. ; 23 cm. | ||
| Subjects: | Armored vessels | Armor-plate | United States -- History -- Civil War, 1861-1865 -- Naval operations | ||
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