British sign language is the sign language used by the deaf in Great Britain. Although the United States and Britain share a spoken language, British Sign Language is separate and distinct from American Sign Language. One example of their differences is that ASL uses a single-handed alphabet while BSL uses two hands for their fingerspelling system.
... he remained till his death. In his last years he was quite blind.
Throughout his long professorial career, and in all his numerous publications he remained, in spite ...