A glass breaker is a hand tool designed to break through window glass in an emergency. It is a safety device commonly carried in vehicles to help occupants escape, and is also installed in some buildings. Most glass breakers have a sharp, pointed metal tip built to break tempered glass, and many also include a sharp, shielded blade for cutting a seat belt. The tool can stand alone or be built into another implement, such as a flashlight or a multitool.
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Introduced When (Circa)Not established by the cited source.
Not established by the cited source; a specific 1932 attribution appearing in an uncited History section on that page was not used pending verification. Power Source Connections
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Source Glass breaker (Wikipedia)
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Source Glass breaker (Wikipedia)
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Source Glass breaker (Wikipedia)Article texttier 2Quote, Article text
Invented in 1932 by Oscar Nisbett and Tobias Hockaday in the Chicago area.
Sources
1. Glass breaker (Wikipedia)
Wikimedia FoundationLead section
It is a common safety device found in vehicles to aid in the emergency extrication of occupants from a vehicle, as well as in some buildings.
Lead section, power source
A glass breaker is a hand tool designed to break through window glass in an emergency.
Associated With: Halligan Bar, See also section
Halligan bar
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