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vacuum lamp sentence in Hindi

"vacuum lamp" meaning in Hindivacuum lamp in a sentence
  • On 17 January 1879 this lecture was successfully repeated with the lamp shown in actual operation; Swan had solved the problem of incandescent electric lighting by means of a vacuum lamp.

vacuum lamp sentences in Hindi. What are the example sentences for vacuum lamp? vacuum lamp English meaning, translation, pronunciation, synonyms and example sentences are provided by Hindlish.com.