| 1941 DU PONT Blasting Assembly Patent Print Art |
| 1962 ATLAS CHEM IND Blasting Assembly Patent |
| 1953 OLIN IND INC Blasting Cap Assembly Patent |
| 1947 DU PONT Blasting Explosive Assembly Patent |
| 1955 DU PONT Blasting Explosive Assembly Patent |
| 1935 FARREN Waterproof Blasting Explosive Assembly |
| 1961 PAUL Blasting Cap Assembly Patent Print Art |
| 1962 O'BRIEN JOHN Blasting Assembly Patent Print |
| 1960 HERCULES POWDER LTD Blasting Cap Assembly |
| 1943 WILSON Blasting Explosive Assembly Patent |
| 1967 SCHWOYER Presplitting Blasting Assembly Art |
| 1959 BREETZ GERNERT Blasting Assembly Patent |
| 1947 FOGG Blasting Explosive Assembly Patent |
| 1955 ADELBERT Blasting Explosive Assembly Patent |
| 1953 CAGLE Blasting Cap Assembly Patent Print |
| 1930 ATLAS POWDER CO Blasting Explosive Assembly |
| 1965 SCHERRER Electric Blasting Cap Assembly Art |
| 1961 HERCULES POWDER LTD Blasting Cap Assembly |
| 1959 DU PONT Blasting Assembly Patent Print Art |
| 1967 TROJAN POWDER CO Presplitting Blasting Assembly |
| 1960 HORNE Blasting Cap Assembly Patent Print |
| 1959 WELSH JR Blasting Assembly Patent Print Art |
| 1965 HERCULES POWDER LTD Electric Blasting Cap Assembly |