| Source: St. Louis Aviation News / Aviation Pictorial News (1946-1948) Location: Oversize flat / St.L. / 05 / Sa24a | |
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| Corporate Name: | Robertson Aviation Company |
| Advertisement: | yes |
| Volume: | 1 |
| Issue: | 3 |
| Date of Publication: | December 1946 |
| Page: | 3 |
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