Nomography.
| Author/creator | Levens, A. S., 1900- |
| Format | Book |
| Edition | 2d ed. |
| Publication Info | New York : Wiley, [1959] |
| Description | viii, 296 pages : illustrations ; 25 cm |
| Subjects |
| General note | Published in 1937 under title: Alignment charts. |
| LCCN | 59011819 |