handwheel

Updated: June 10, 2025

This acts as a pivot, about which the gun can be turned, the pair of wheels forming the runners for the achievement of this movement. The setting of the weapon in the firing position or its reversion to the travelling position can be easily and speedily effected merely by the rotation of a handwheel and gearing.

Frederick Arthur Ambrose Talbot - Aeroplanes and Dirigibles of War