Rhode Island Lighthouses

  Hog Island Shoal Light  
CISa imageBack Table of Contents NEXTNext

Wiring Diagram for Automatic Control & Monitoring of Main Light & Fog Signals - 1963
        Wiring Diagram for Automatic Control & Monitoring of Main Light & Fog Signals - 1963
 Courtesy of the National Archives at Boston
Download full size version of this image
CISa imageBack Table of Contents NEXTNext