| Source: Union Electric Company employee magazines (titled Wire and Pipe, Union Electric Magazine, Union Electric Quarterly, and Union Electric News), 1913-1969 (incomplete run) Location: St.L. / 05 / Un3, Un3b, Un3m | |
 | |
| Corporate Name: | Mines Equipment Company |
| Address: | 1946 North Broadway |
| Volume: | 19 |
| Issue: | 12 |
| Date of Publication: | December, 1931 |
| Page: | 6-7 |
