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| Type | Company |
| Location | London (United Kingdom) |
| Industry | Mining |
| Related org. | H. E. Proprietary, Ltd. |
| Holdings | Newspaper clippings: 1910…1942, -1945 Annual reports: 1912, 01-03.1914, 1937,1938 |
| Signature | A22 C 187 |
| URI | https://pm20.zbw.eu/folder/co/065286 |
| ID | co/065286 |