| 1923 BARKS FRANK Mine Car LINCOLN STEEL FORGE COMPAN |
| 1923 BRASCHE Automatic Mine Car Cager Patent |
| 1923 PALMER WAYNE Submarine Mine Patent Print |
| 1923 LIGGETT Mine Door Operating Mechanism Art |
| 1923 DAVIS Safety Holder Mine Squibs Detonators |
| 1923 LINCOLN STEEL AND FORGE COMPAN Mine Car Art |
| 1923 HENRIKSON FRANK Mine Car Wheel Patent Print |
| 1923 PALMER WAYNE Surmarine Mine Patent Print |
| 1923 TUBACH EMIL Mine Car Door Patent Print Art |
| 1923 EARL LOHR Mine Car Patent Print Art |
| 1923 HAMMOND JR Submarine Mine Patent Print Art |
| 1923 PEART FREDERICK Mine Car Coupler Patent |
| 1923 CARETTI Mine Car Check Lock Patent Print |
| 1923 CHARLES Automatic Mine Car Cager Art Print |
| 1923 KEE Aircraft Launched Temporary Drifting Mine |
| 1923 HERMANN PAPE Sea Mine Patent Print Art |
| 1923 FIRM CARBONIT AG Sea Mine Patent Print Art |
| 1923 PALMER WAYNE Mine Patent Print Art |
| 1923 WORCESTER SAMUEL Mine Car Patent Print Art |
| 1923 ARTHUR L TUBACH Mine Car Door Patent Print |
| 1923 US GOVERNMENT Submarine Mine Patent Print |
| 1923 EMANUELE ELIA Submarine Mine Patent Print |
| 1923 WINFORD CROOKS Dumping Mine Car Patent |
| 1923 JOSEPH ELLIOTT Mine Car Coupler Patent |
| 1923 FOX NICHOLS Submarine Mine Patent Print Art |
| 1923 VICKERS LTD Submarine Mine Patent Print Art |
| 1923 EUGENE OSEGOVIC Sea Mine Patent Print Art |
| 1923 FERGUSON WILLIAM Mine Door Patent Print Art |
| 1923 HIBBING MN Mahoning Open Pit Mine Mining Train Car |