Before revision: Empty Turret BoardTurret Board with a Few ComponentsTurret Board Installed in Chassis Turret boards were an early attempt at making electronic circuits that were relatively rugged, producible, and serviceable in the days before printed circuit boards (PCBs).
After revision: Empty turret boardTurret board with a few componentsTurret board installed in chassis Turret boards were an early attempt at making electronic circuits that were relatively rugged, producible, and serviceable in the days before printed circuit boards (PCBs).