Global Specialties PB-3 Socket Plate for use with PB-503 & PB-503C

Socket Plate for use with PB-503 & PB-503C Global Specialties model PB-3 is a replacement socket plate for use with PB-503 and PB-503C circuit design workstations. The PB-3 has a breadboarding area consisting of 2520 tie points secured to a transparent Plexiglas plate. The transparent plate allows for easy viewing of the breadboarding connections. The PB-3 is secured to the trainer with Velcro. Replacement socket plate for Global circuit design trainers models PB-503 and PB-503C Uses 3 UBS-100 breadboards mounted to the Plexiglas plate Velcro fasteners mounted to Plexiglas back plate