Subject :NSO Class : Class 4
Subject :NSO Class : Class 4
Ans 3:
Class : Class 6
An inventor named ANTONIO MEUCCI had made and patented a device much like the telephone which he called the 'teletrofono' in 1860,but he was so poor that he could not pay the $10 fee to renew his patent,so he lost it.5 years later ALEXANDER GRAHAM BELL who had seen the 'teletrofono' made his own 'teletrofono' which he called as 'telephone'.
Post Your Answer
Subject :NSO Class : Class 4
Post Your Answer
Subject :NSO Class : Class 4
Post Your Answer
Subject :NSO Class : Class 4
Post Your Answer
Subject :NSO Class : Class 4
Post Your Answer
Subject :NSO Class : Class 4
Post Your Answer
Subject :NSO Class : Class 4
Post Your Answer
Subject :NSO Class : Class 4
Post Your Answer
Subject :NSO Class : Class 4