The building occupied by the Palace was notable in the history of technology. In 1875 at the shop of Charles Williams, 109 Court St., Alexander Graham Bell and Thomas A. Watson made the first telephone call. ("Invention of the Telephone." Telegraph Age v.24, no.7, April 1, 1906)
openlibrary.org
The history of the Boston Theatre, 1854-1901, Boston: Houghton Mifflin, 1908, OL7161980M