Mining and Engineering World . F. Spellman, 202 Century Bldg., Denver, W. Myers, Kohl Bldg., San Francisco, T. Bond Easton, Pennsylvania (FORMERLY OF BROOKLYN , MINERS SUNSHINE BRIGHTEST ANDCLEANEST LIGHTA MINER CAN USE. Office of

---

Size: 1968px × 1269px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookdecade1910, bookidminingengineer33n22chicuo