Phone indicator box

Made:
1974-1990
Phone indicator box, black with red and green lights

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Phone indicator box, black with red and green lights
Science Museum Group
© The Board of Trustees of the Science Museum

Phone indicator box, black with red and green lights, used to show emergency phone location, 1974-91.

Details

Category:
Environmental Science & Technology
Object Number:
1997-410
Materials:
metal and plastic
Measurements:
overall: 15.4 x 15.4 x 7.8 cm
type:
telephone indicator box
credit:
National Chemical Emergency Centre