Birdwatch Note Rating
2024-02-02 23:08:45 UTC - HELPFUL
Rated by Participant: 5CAF36D31B94076E64DFAB983A9BB00F2A7AC49CC3EA325A2E50EAF2947661F7
Participant Details
Original Note:
The gas mask was not invented by Garret Morgan, in 1914 he patented a safety hood and smoke protector however early versions of the gas mask had been invented as far back as 1871 by John Tyndall The traffic light was invited in 1920 by Willian Pots https://www.thoughtco.com/history-of-gas-masks-1991844 https://www.thehenryford.org/collections-and-research/digital-collections/artifact/227457/
All Note Details