sentences:  The lighthouse was converted to electric operation in 1932 with a 1000-watt beacon.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.