- Back
-
Title: Indicator panel of the "Fault-Fire" pattern, having two drop [Go to resource]
Description: Indicator panel of the "Fault-Fire" pattern, having two drop shutters and three relays, one 6" weatherproof bell and one fire station alarm-receiving panel with one drop shutter and bell License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Source: Science Museum Identifier: 1955-30 Go to resource More Like this...
[Edit] - Back