| 1924 US GOVERNMENT Beam Patent Print Art |
| 1921 US GOVERNMENT Submarine Mine Patent Print |
| 1925 US GOVERNMENT Submarine Mine Patent Print |
| 1924 US GOVERNMENT Vehicle Mount Patent Print |
| 1923 GOVERNMENT Torpedo Patent Print Art |
| 1933 GOVERNMENT Torpedo Patent Print Art |
| 1923 US GOVERNMENT Torpedo Patent Print Art |
| 1925 HALL ANDREW Torpedo GOVERNMENT Patent Print |
| 1921 FLINT JAMES Torpedo GOVERNMENT Patent Print |
| 1946 US GOVERNMENT Magazine Loader Patent Print |
| 1921 GOVERNMENT Ordnance Patent Print Art |
| 1925 ASHBROOK ALLAN Mine GOVERNMENT Patent Print |
| 1921 GOVERNMENT Torpedo Patent Print Art |
| 1924 US GOVERNMENT Explosive Mine Patent Print |
| 1921 US GOVERNMENT Torpedo Patent Print Art |
| 1925 GLENNON JAMES Mine GOVERNMENT Patent Print |
| 1925 GOVERNMENT Torpedo Patent Print Art |
| 1926 EWING EDGAR Torpedo GOVERNMENT Patent Print |
| 1920 US GOVERNMENT Ordnance Patent Print Art |
| 1924 US GOVERNMENT Torpedo Patent Print Art |
| 1920 GOVERNMENT Airplane Bomb Sight Patent Print |
| 1923 US GOVERNMENT Submarine Mine Patent Print |
| 1940 US GOVERNMENT Automatic Gun Patent Print |
| 1923 FLINT JAMES Torpedo GOVERNMENT Patent Print |