signal lights for Harvard cyclotron
Date: circa 1947
Inventory Number: 2003-1-0303
Classification: Sign
Dimensions:36.2 x 35 x 10.6 cm (14 1/4 x 13 3/4 x 4 3/16 in.)
depth with wall-hanging screws: 13.9 cm (5 1/2 in.)
DescriptionThere are two banks of lights in black, metal boxes, which are held together by a flat brass plate screwed to the back with long screws to mount on a wall.
The bottom box has an electrical input socket on its right side. There are output prongs on the left side. Its backside has 14 drilled holes, which are not being used at the present time. The front side has two orange lights marked "MAGNET" above two blue lights marked "RADIATION." Black tape was once placed over the lower label.
The top box has masking tape and white spattered paint on its top. Its back side has a threaded collar and octagonal nut. There are also four holes. The front side has two orange lights with black electrical tape covering the original label. Below, there are two red ights marked "RADIATION."
The lights are conical in shape with concentric circles. They are held in chrome-like collars with concentric rings. They look like the tail lights of an automobile from the period. All words are hand-painted in white paint.