Ennis, William Duane, 1877–
Nationality: Undetermined, possibly 
(United States)
Identities and Authority Control
- Open Library: OL2396469A
- pdbooks.info ID: 6625
William Duane Ennis Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
|---|---|---|---|---|---|---|---|---|---|
|  |  | 
| ||||||
| Applied thermodynamics for engineers | 3d ed., rev. and enl. | 1913 | Author | |  | |  | |    
|
| Flying machines to day | 1911 | Author | | | | | |
| |
| Thermodynamics, abridged: a manual and text book for midshipmen at the United States Naval academy | 1920 | Author | | | | | | ||