HELLO EVERYBODY
summary:
The intricate set-up of the telephone system is explained to thelayman in this documentary. Training the growth of the telephonein India since its inception, the documentary gives a detaileddescription of the working of the telephones. It also shows theus
HELLO EVERYBODY
summary:
The intricate set-up of the telephone system is explained to thelayman in this documentary. Training the growth of the telephonein India since its inception, the documentary gives a detaileddescription of the working of the telephones. It also shows theus
