Pettet, Robert D. (Robert Deleu), 1884–
Nationality: Undetermined, possibly 
(United States)
Identities and Authority Control
- Open Library: OL2395590A
- pdbooks.info ID: 137269
Robert D. (Robert Deleu) Pettet Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
|---|---|---|---|---|---|---|---|---|---|
|  |  | 
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| The mechanics of fitting glasses | 1913 | Author | |  | |  | | 
| |