| 1925 NIKOLAUS Electric Mine Fuse Patent Print |
| 1925 MINE APPLIANCES COMPANY Dump Car Patent |
| 1925 JOZEF LATOSZEWSKI Mine Car Stop Patent |
| 1925 CLARK CROSS Mine Anchor Device Patent Print |
| 1925 US GOVERNMENT Submarine Mine Patent Print |
| 1925 PRATT HARTLEY Submarine Mine Patent Print |
| 1925 SANFORD HUGH Mine Car Patent Print Art |
| 1925 GRIESHABER Mine Discharging Device Patent |
| 1925 DUFFIE JOHN Explosive Mine Patent Print Art |
| 1925 COLSON ROBERT Mine Car Truck Patent Print |
| 1925 ASHBROOK ALLAN Mine GOVERNMENT Patent Print |
| 1925 GLENNON JAMES Mine GOVERNMENT Patent Print |
| 1925 EMANUELE ELIA Submarine Mine Patent Print |
| 1925 LEIBLE Mine Releasing Device Patent Print |
| 1925 ELECTRIC BOAT CO Mine Discharging Art |
| 1925 LEWIS GWYNNE Submarine Mine Patent Print |
| 1925 KOSTENBAUDER Latch For Mine Car Doors Art |
| 1925 VICKERS LTD Submarine Mine Patent Print Art |
| 1925 HICKMAN CLARENCE Mine Patent Print Art |
| 1925 SPERRY Submarine Contact Mine Patent Print |
| 1925 Clemens Coal Mine Lease Pittsburg, KS. |
| VICTORIA MI BY ONTONAGON RPPC 1925-42 PIPELINE TO MINE |