Naval gunfire and director controlled. While a gunnersmate in the navy the guns were controlled by a mark56 and 68 gun director. The 68 model was newer but the 56 was part of the original part of the ship. Dials and wheels all over the place. The gun mount was also controlled at times by a onc. One Man control. They were as beautiful as they were functional. Cant forget the vaccum tube tester either. Thanks for a trip down memory lane. For anyone interested punch in DD-937 and see the destroyer I served aboard.