Relay Unit RE-22/ARW-9 of AN/ARW-10A Airborne Remote Control Bomb Release System BOXED C-130 Here is a vintage Aircraft

Here is a vintage Aircraft Compass

This is a fine example of an WWII-era Suction Gage

a directional stabilizer

From https://1250scale

stub Axle diameter

Relay Unit RE-22/ARW-9 of AN/ARW-10A Airborne Remote Control Bomb Release System BOXED C-130 Here is a vintage AircraftThe AN ARW 10A Airborne Remote Control Bomb Release System was developed during WWII but did not see active use until the Korean War. The system was designed to release bombs simultaneously from all planes in a formation, usually twelve, by a single bombardier in the lead aircraft. Three pages in the photo gallery explain the system in greater detail. During WWII, bombardiers often released their bombs manually upon observing the drop of the lead