| Source: The Wagner Electric Inner Circle (St. Louis, Mo.: Wagner Electric Corporation), 1946-1948, 1952-1955 (incomplete run) Location: St.L. / 05 / W125 | |
 | |
| Last Name: | Zweifel |
| First Name: | John |
| Middle Name: | R. |
| Photograph: | Yes |
| Volume: | VII |
| Issue: | 8 |
| Date: | November 1952 |
| Page: | 12 |
