Class Quote by Alexander Graham Bell
“The final result of our researches has widened the class of substances sensitive to light vibrations, until we can propound the fact of such sensitiveness being a general property of all matter.”
“The final result of our researches has widened the class of substances sensitive to light vibrations, until we can propound the fact of such sensitiveness being a general property of all matter.”
![“Mr. Watson — Come here — I want to see you. [ First intelligible words spoken over the telephone ]” quote by Alexander Graham Bell](https://sms4smile.com/quotes/img-quotes/cfb/alexander-graham-bell-9356_invention_mr-watson-come-here-i-want-to-see-you-fi_173029.jpg)
