ट्रैफिक लाइट का आविष्कार कैसे हुआ ?

Viral By Khushi Srivastava July 16, 2024

ट्रैफिक लाइट का आविष्कार लंदन में हुआ था

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ट्रैफिक लाइट का आविष्कार साल 1868 में जॉन पीक नाइट द्वारा किया गया था

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जॉन पीक नाइट रेलवे इंजीनियर थे

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सबसे पहली ट्रैफिक लाइट गैस लैंप की मदद से बनाई गई थी

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ये लाइट सिर्फ रात में ही जलती थी

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इसके बाद साल 1914 में पहली इलेक्ट्रिक ट्रैफिक लाइट अमेरिका के ओहायो में लगाई गई थी

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ट्रैफिक लाइट के आविष्कार से यातायात में काफी बदलाव आया

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Girlfriend के बर्थ डे पर Gift करें ये चीजें

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