| Author | Pearson, Ronald W.
|
| Title | Guide to American brace patents, 1829-1910 / Ronald W. Pearson.
|
| Published | [Erie, Pa.] : R.W. Pearson, c1987.
|
| Description | 36 p. : ill. ; 22 cm.
|
| General Note | Illustrations on p. [2]-[4] of cover.
Errata sheet laid-in.
|
| Subjects | Bits (Drilling and boring) -- Patents.
Drilling and boring machinery -- Patents.
Tools -- United States -- Patents.
|
| LC Card Number | 87-402580 |
| Call Number/Copies | |
| | WRHS Research Library: Pam. P1021
mq193745: Pamphlets, closed stacks [status: NON-CIRCULATING] |
| [Record 125161] |
|