Automatic Pensil Sharpener Company - APSCO Automatic Electric Eraser
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Aunt Betty's electric pencil eraser - works well (with concerns for compromised electrical wiring). |
| Barber-Colman Company, Rockford Illinois |
| Betty Williamson |
| Directions for use of APSCO Automatic Electric Eraser |
| Internal wiring - electrical short concern |
| Mercury switch |
| Compromised plug wiring |
