View documents (IIIF viewer) (2 documents / 2 available on the web) View documents (DFG viewer)
| Commodity/ware | Coal machines (mining and processing) |
| Country/geo | Indian Empire |
| International | Coal machines (mining and processing) : World |
| URI | https://pm20.zbw.eu/folder/wa/143121,141189 |
| ID | wa/143121,141189 |