| VINTAGE 1946 CALIFORNIA MIRABEL MINE PHOTO NEGATIVE 5 |
| VINTAGE 1946 CALIFORNIA MINING MINE PHOTO NEGATIVE 9 |
| VINTAGE 1946 CALIFORNIA MINING MINE PHOTO NEGATIVE 8 |
| VINTAGE 1946 CALIFORNIA MINING MINE PHOTO NEGATIVE 4 |
| VINTAGE 1946 CALIFORNIA MINING MINE PHOTO NEGATIVE 10 |
| VINTAGE 1946 CALIFORNIA MINING MINE PHOTO NEGATIVE 11 |
| VINTAGE 1946 CALIFORNIA MINING MINE PHOTO NEGATIVE 3 |
| 1946 HENRY Mine Detection Device Patent Print |
| 1946 MARK Mine Mooring Cutter Toggle Type Patent |
| 1946 COOK JR Mine Firing System Patent Print Art |
| 1946 AMERICAN CAR FOUNDRY CO High Capacity Mine Car |
| 1946 LAWRENCE LANGNER Mine Destroyer Patent |
| 1946 GOODMAN MFG CO Mine Locomotive Patent Print |
| 1946 MALTBY WILSON Submarine Mine Patent Print |
| 1946 STOLTZ CHARLES Mine Locomotive Patent Print |
| 1946 CRAIG EDWARD Mine Mooring Cutter Patent |
| 1946 CRAIG Mine Mooring Cutter Patent Print Art |
| 1946 A J HOLIFIELD Submarine Mine Patent Print |
| 1946 FREEMAN Acoustic Mine Sweeping Device |
| 1946 RCA CORP Radio Controlled Mine Patent Print |
| 1946 BRITTON ROBERTA Aerial Mine Patent Print |
| 1946 WALTER Mine Sweeping Control Patent Print |
| 1946 WESTINGHOUSE ELECTRIC CORP Mine Sweeping Control |
| 1946 HAMMOND Radio Controlled Mine Patent Print |
| 1946 BROWN ALDRICH Submarine Mine Patent Print |
| 1946 AMERICAN Mine Car Latch Operator Safety Lock |
| 1946 GREULICH Twin Tube Mine Clearing Snake Art |
| 1946 BROOKS Antitank Mine Clearing Device Patent |
| 1946 SHIELDS High Capacity Mine Car Patent Print |
| 1946 SCHROEDER Mine Car Latch Operator Safety Lock |
| 1946 GLENNON Mine Firing Control Means Art |
| 1946 ERSKINE RAMSAY Mine Car Coupler Patent |
| 1946 METCALFE SAMUEL Land Mine Patent Print Art |