Relay Unit RE-22/ARW-9 of AN/ARW-10A Airborne Remote Control Bomb Release System H-46 The needle will rotate clockwise

The needle will rotate clockwise and stop at the bomb sights true disk speed

with a max lever height of ~8

which discusses in detail the operation of the remote gunnery system

with two clamping screws

Light Cruiser USS Atlanta

Relay Unit RE-22/ARW-9 of AN/ARW-10A Airborne Remote Control Bomb Release System H-46 The needle will rotate clockwiseThe 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