A history of mechanical inventions.
| Author/creator | Usher, Abbott Payson |
| Format | Book |
| Edition | Rev. ed. |
| Publication Info | [Cambridge] : Harvard University Press, 1954. |
| Description | 450 pages : illustrations ; 25 cm |
| Subjects |
| Bibliography note | Bibliography: p. 433-443. |
| Other title | Mechanical inventions. |
| LCCN | 52010758 |