Images Vidéos

Thomas Watson Photos ❘ Science Photo Library

Thomas Watson, American Inventor and Businessman
12654659 - Thomas Watson, American Inventor and Businessman
Alexander G Bell and Thomas Watson
11698774 - Alexander G Bell and Thomas Watson
Thomas Watson,telephone pioneer
11831601 - Thomas Watson,telephone pioneer
Thomas Watson,Bell's assistant
11831592 - Thomas Watson,Bell's assistant
Bell and Watson Demonstrate Telephone, 1877
12630970 - Bell and Watson Demonstrate Telephone, 1877
Discovery of telephony by Alexander Bell
11904564 - Discovery of telephony by Alexander Bell
;