Fire alarm switch
Rectangular fire alarm switch, with 'smash glass' panel.
Two fire alarm switches
- Made:
- 1975
Two fire alarm switches, one made of polyphenylene oxide (PPO), 1975, the second, older, design having a conventional cast metal body
Details
- Category:
- Plastics and Modern Materials
- Object Number:
- 1976-122
- Materials:
- polypropylene oxide and metal (unknown)
- type:
- switch
- credit:
- Chloride Gent Limited
Parts
Fire alarm switch
Circular fire alarm switch, with 'break glass' panel.
Fire alarm switch components
Components associated with two fire alarm switches, including five washers, a red disc, four screws, an Allen key and two teardrop shaped fixings.
- Materials:
- metal (unknown)
- Object Number:
- 1976-122/3
- type:
- components
- Image ©
- The Board of Trustees of the Science Museum
Key and instructions for fire alarm switches
Key and installing instructions leaflet, associated with two fire alarm switches.
- Materials:
- paper (fibre product) and metal (unknown)
- Object Number:
- 1976-122/4
- type:
- key and instructions
- Image ©
- The Board of Trustees of the Science Museum
