| Source: The Hatchet (Washington University yearbook), 1903-1943 (incomplete run) Location: St.L. / 378 / W27h | |
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| Last Name: | Bachman |
| First Name: | Otto |
| Portrait: | yes |
| Corporate Name: | Western Optical Co. |
| Street Address: | 1002 Olive St. |
| Remarks: | advertisement includes portrait of Otto Bachman |
| Year: | 1918 |
| Page: | 350 |
