AMERICAN SIGN LANGUAGE
Grammar
Word & Sentence
3D Handshape Representations
Mouth Morphemes
Vocabulary
TTY =
Telephone Keyboard for Deaf
Unlike videophone we use today, in the past deaf people used a keyboard with text appearing, which is called TTY. It started in the 1960s.
Grammar
Word & Sentence
3D Handshape Representations
Mouth Morphemes
Vocabulary
American Sign Language Course Resource