Ray, Wm. D.
Nationality: Undetermined, possibly 
(United States)
Identities and Authority Control
- pdbooks.info ID: 128570
Wm. D. Ray Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
|---|---|---|---|---|---|---|---|---|---|
|  |  | 
| ||||||
| The standard manual of dynamos and practical application of dynamo-electric machinery | Rev. ed. | 1915 | Author | |  | |  | |    
|