Summary
While this diagram and its use of the word "present" may seem "dated" or "frozen in time" the historic information herein can provide valuable context for students, faculty and technicians who specialize in early and latter day audiovisual technology.
Body
While this diagram and its use of the word "present" may seem "dated" or "frozen in time" the historic information herein can provide valuable context for students, faculty and technicians who specialize in early and latter day audiovisual technology.