Charles Williams Jr.Charles Williams Jr.1862–1881Charles Williams Jr. operated an electrical shop at 109 Court Street in Boston that became the birthplace of the telephone industry. Thomas Edison worked there in 1868-69, and Thomas Watson joined in 1872, where he met Alexander Graham Bell in 1874. Bell and Watson's pivotal telephone experiments took place in the shop's garret. In 1877, Williams began manufacturing the first commercial telephones for the Bell Telephone Company, including the famous Coffin Set. The first permanent residential telephone line connected his shop to his Somerville home. Williams sold the operation to Western Electric in 1882. · wood, American · Source: Pioneers