Alexander Graham Bell

transmitted to

Thomas Augustus Watson

the first complete and

intelligible sentence

by telephone

March 10 1876

-----

The Bostonian Society

and the

New England Telephone

and Telegraph Company

placed this tablet

March 10 1916

(bottom tablet)

IEEE MILESTONE IN ELECTRICAL ENGINEERING

AND COMPUTING

FIRST INTELLIGIBLE VOICE TRANSMISSION OVER ELECTRIC WIRE, 1876

The first transmission of intelligible speech over electrical

wires took place on March 10, 1876. Inventor Alexander

Graham Bell called out to his assistant Thomas Watson,

'Mr. Watson, come here! I want to see you.' This

transmission took place in their attic laboratory in

a building near here at 5 Exeter Place.

March 2006

INSTITUTE OF ELECTRICAL AND ELECTRONICS ENGINEERS