SPERRY A-2 BALL TURRET CONTROLLER

Description

Briggs manufactured hand controls for a Sperry A-2 Lower Ball Turret used in Flying Fortresses and Liberators. Handles rotate forward, back, and side to side. There is some stiffness when rotating forward & back, unit needs a good cleaning, it has been in storage for many years. Buttons click, gears on rear of unit rotate. No cracks around mounting holes. Very rare, but essential if you are restoring a B-17 or B-24

Placard reads:

HAND CONTROL AND LIMIT UNIT

PATENTS APPLIED FOR

MFD. UNDER LICENSE FROM SPERRY GYROSCOPE CO.

BY

BRIGGS MFG. CO. DETROIT, MICH.

FOR

U.S. ARMY AIR FORCES

Briggs Part Number: 13480

Briggs Serial Number: 5531

Inspection