In 1910, the Morkrum Company designed and installed the first commercial teletypewriter system on Postal Telegraph Company lines between Boston and New York City using the "Blue Code Version" of the Morkrum Printing Telegraph.
Aastal 1910 kujundas ja paigaldas Morkrum Company esimese äriotstarbelise telegraafisüsteemi Bostoni ja New Yorgi vahele, kasutades Morkrumi telegraafimasina "Sinise koodi versiooni".