There were attempts as early as 1826 to create the American Telegraph System, but it was in September 1837 that Samuel Morse applied for a patent for his electrical telegraph.

When the Massachusetts 911 system for emergency calls stopped working on Tuesday afternoon, Boston Police Commissioner Michael Cox noted the city already had a backup solution in place: The telegraph.

There were attempts as early as 1826 to create the American Telegraph System, but it was in September 1837 that Samuel Morse applied for a patent for his electrical telegraph.

They were popular throughout for many years, Phelps built these for several years before his involvement in the next printing telegraph system.

By Eric Levenson, CNN (CNN) — When the Massachusetts 911 system for emergency calls stopped working on Tuesday afternoon, Boston Police Commissioner ...

They were popular throughout for many years, Phelps built these for several years before his involvement in the next printing telegraph system.

By Eric Levenson, CNN (CNN) — When the Massachusetts 911 system for emergency calls stopped working on Tuesday afternoon, Boston Police Commissioner Michael Cox noted the city already had a ...