Photocells
Charles Endirect
Fisher Pierce
Haromarkt/Incatron North
Horstmann
Hy-Lite Controls
Longjoin
Royce Thompson Electrical
SELC / Westire
Sirebeck
Lucy Zodion (Fisher Karpark/Cableform)
Unknowns
Specials
SS2
From September 2000; notice that the cell's polycarbonate casing has discoloured and become noticeably cloudy in its approximate 16 years of outdoor operation.