D. Documentation 4/4 – AC Controls, O Ga.

(This Section D last modified 5/26/2020)

1. Video #667 Notes (2018) Talley Ober’s 3-Train, 3-Rail O Ga. “insulated Rail” Auto. Control System Uses No Relays
   1. Video #216 Notes (2007) Pine Summit RR, demonstrates the same type of 2-Train, 3-Rail O Ga. “insulated Rail” Auto. Control System w/No Relays
      .
2. Video #668 Notes (2018) Shows a Z-Stuff DZ-1012 Detector, Automatically Controlling 2 O-Gauge Trains On 1 Mainline