| Source: Airscoop (St. Louis, Mo.: McDonnell Aircraft Corporation), 1949-1969 Location: Oversize / St.L. / 05 / M146 | |
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| First Name: | Ralph |
| Middle Name: | C. |
| Last Name: | Ballard |
| Volume: | XV |
| Issue: | 9 |
| Date of Publication: | October, 1956 |
| Page: | 3 |
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