Willis Lamm's
Traffic Signal Collection
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Darley Simplex signals were among the more unusual signals that were produced over sevaral decades. Their claim to fame was their simplicity, durability and low cost. They certainly weren't fancy but they were stout and many saw service for over 50 years.
The first Darley signal in the collection is this D-480 single faced signal. Darley's big sellers were their internally controlled fixed four way signals, however for intersections with odd angles, the Simplex single faced heads were used by Darley customers.
One unique feature of the D-480 signal was that the entire faceplate was removed in order to change light bulbs. The sockets were mounted on the back panel of the signal and the reflectors attached to the face plate.
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