![Breech mechanism interrupted screw threads (Bange System), vintage engraved illustration. Industrial encyclopedia E.-O. Lami - 1875 Stock Vector Image & Art - Alamy Breech mechanism interrupted screw threads (Bange System), vintage engraved illustration. Industrial encyclopedia E.-O. Lami - 1875 Stock Vector Image & Art - Alamy](https://c8.alamy.com/comp/EW4BXR/breech-mechanism-interrupted-screw-threads-bange-system-vintage-engraved-EW4BXR.jpg)
Breech mechanism interrupted screw threads (Bange System), vintage engraved illustration. Industrial encyclopedia E.-O. Lami - 1875 Stock Vector Image & Art - Alamy
![Dave Hartley ⚓ on Twitter: "Here is the breech of the forward gun being closed by one of our volunteers Dave. You can see the interrupted screw breech turning and locking in Dave Hartley ⚓ on Twitter: "Here is the breech of the forward gun being closed by one of our volunteers Dave. You can see the interrupted screw breech turning and locking in](https://pbs.twimg.com/ext_tw_video_thumb/1164137188042444801/pu/img/s0FaB9Mu2fKTEyxM.jpg:large)
Dave Hartley ⚓ on Twitter: "Here is the breech of the forward gun being closed by one of our volunteers Dave. You can see the interrupted screw breech turning and locking in
![Interrupted screw for breech of 15 cm howitzer (from Meyers Lexikon, 1895, 7/442) Stock Illustration | Adobe Stock Interrupted screw for breech of 15 cm howitzer (from Meyers Lexikon, 1895, 7/442) Stock Illustration | Adobe Stock](https://as2.ftcdn.net/v2/jpg/01/24/22/61/1000_F_124226115_H9DcsjrAwsxn0FmNGzV4cY1NnMJ5y6r5.jpg)
Interrupted screw for breech of 15 cm howitzer (from Meyers Lexikon, 1895, 7/442) Stock Illustration | Adobe Stock
![6-Inch-Breech-Gun2-Btty-Gunnison-New-Peck-E_fs Step thread screw interrupting breech | Guns, Gunnison, Cannon 6-Inch-Breech-Gun2-Btty-Gunnison-New-Peck-E_fs Step thread screw interrupting breech | Guns, Gunnison, Cannon](https://i.pinimg.com/originals/a8/f2/3b/a8f23ba3058a46637f21f72d1da1a433.jpg)