| 1927 ZIMMERMAN Traversing Gear For Guns Patent |
| 1927 KARNES Mechanism Setting Fuses Within Guns |
| 1927 BYRNES Firing Mechanism Multiple Barrel Guns |
| 1927 TIDWELL Missile For Toy Guns Patent Print |
| 1927 GORTON Mount For Machine Guns Patent Print |
| 1927 SCHWAB Deflection Vernier Machine Guns Art |
| 1927 NEEF Protecting Attachment Repeating Guns |
| 1927 AUGUST Semiautomatic Rammer For Guns Patent |
| 1927 COUPLAND Counting Registering Machine Guns |
| 1927 KARNES Fire Control System For Guns Patent |
| 1927 ITHACA GUN CO Barrel Locking Breakdown Guns |
| 1927 GREEN SAMUEL Mount For Guns Patent Print |
| 1927 GORTON Sear Mechanism For Guns Patent Print |
| 1927 AMMANN Recoil Pad For Guns Patent Print Art |
| 1927 SMITH Barrel Locking Mechanism Breakdown Guns |
| 1927 GREEN SAMUEL Rear Sight For Guns Patent |
| 1927 FREDERIK Indirectly Laying Antiaircraft Guns |
| 1927 ZIMMERMAN HARRY Cradle For Guns Patent |
| 1927 CONLON THOMAS Loader For Guns Patent Print |
| 1927 JERVEY Mount For Machine Guns Patent Print |
| 1927 WILLIAM Projectile Smooth Bore Guns Art |
| Winchester Store 1926 - 1927 Catalog Knives Guns Tools |
| 1927 Gun Catalog brochure w/ Winchester Guns No Res |