| Book | Save | ||
| 1 | Title: | Guide to American brace patents, 1829-1910 | |
| Creator: | Pearson, Ronald W. | ||
| Publication: | R.W. Pearson, Erie, Pa.],c1987. | ||
| Notes: | Illustrations on p. [2]-[4] of cover. Errata sheet laid-in. | ||
| Call #: | Pam. P1021 | ||
| Extent: | 36 p. : ill. ; 22 cm. | ||
| Subjects: | Drilling and boring machinery -- Patents | Tools -- United States -- Patents | Bits (Drilling and boring) -- Patents | ||
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