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Who invented the gas mask and the traffic light?

the first traffic light was invented in usa i didin't know who invented it the first traffic light was not automatic someone is controling it that what i all know about the trafffic light i don't know who invented the gas mask


Who invented the gas mask and the electric traffic light?

the first traffic light was invented in usa i didin't know who invented it the first traffic light was not automatic someone is controling it that what i all know about the trafffic light i don't know who invented the gas mask


Where was the gas powered traffic light invented?

The gas-powered traffic light was invented in 1912 by Lester Wire in Salt Lake City, Utah. Wire's invention used natural gas to power the lights, replacing manual operation.


What was the best way to create light at night before the light bulb was invented?

Before the light bulb was invented in the late 1800s by Thomas Edison, people used candles, fire, oil lamps, or gas lamps or lights to create light while it was dark.


When was the light bulb invented and who invented it?

The light bulb was invented by Thomas Edison in 1879. Edison's invention revolutionized the way we illuminate our homes and cities, providing a safer and more efficient alternative to gas lamps and candles.


What year was the traffic light inveted?

The traffic light was invented in 1868 by J.P. Knight in the United Kingdom. It was a manually operated gas-lit device.


How was a traffic light invented?

the traffic light was invented because back in the day people didnt know what to do when driving and cars were new and to prevent people from crashing and accidents they invented the traffic light


Who invented the white light?

who invented the white light


What are 3 facts about Garrett Morgan?

1.) He invented the first gas mask, and with the gas mask he saved over 20 live with it. 2.) He also invented something that changed out way of driving and safety, he invented the Traffic Light. 3.) And most of all he got a gold Medal of Bravery


What did garret Morgan invent?

garret Morgan invented the traffic light, gas mask and man other


When was the traffice light invented?

The first traffic light was invented in December 10, 1868. The electric traffic light was invented in 1912. The Automatic Traffic light was invented in 1927.


When was the stop light invented?

The first traffic light was installed in London in 1868, but was gas powered. In the 1890's, electric lights were introduced.