Ellsworth, Percy F.
Nationality: Undetermined, possibly 
(United States)
Identities and Authority Control
- pdbooks.info ID: 14130
Percy F. Ellsworth Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
|---|---|---|---|---|---|---|---|---|---|
|  |  | 
| ||||||
| How to assembly and operate a radio outfit | 1922 | Author | |  | |  |  |    
| |