Description: [edan-image:id=siris_sic_9592,size=200,left]Did you know the Smithsonian was an early adopter of the telephone? In June of 1878, a system of electronic bells and telephones was installed throughout the Smithsonian Castle. The system connected several workrooms and offices to provide instant communications within the building. At that time, there were only 187 telephone lines
Description: The history of the long campaign to bring a national museum for African Americans to the National Mall, the National Museum of African American History and Culture.