In 1946, Highland Light's Fresnel lens was replaced by modern aerobeacons, first by a Crouse-Hinds DCB-36 double rotating light and then by a Carlisle & Finch DCB-224, with a second unit as backup. Unfortunately, the Fresnel lens was severely damaged when it was removed, but fragments are on display in the museum on site.
In 1946, Highland Light's Fresnel lens was substituted by contemporary aerobeacons, initially by a Crouse-Hinds DCB-36 double rotating light and subsequently by a Carlisle & Finch DCB-224. Unfortunately, the Fresnel lens suffered severe damage upon removal, but fragments are exhibited in the on-site museum.