Do both LINK 480Z and CARDboard Illustrative Aid to Computation both involve computers?
CARDboard Illustrative Aid to Computation CARDIAC (CARDboard Illustrative Aid to Computation) is a learning aid developed by David Hagelbarger and Saul Fingerman for Bell Telephone Laboratories in 1968 to teach high school students how computers work. The kit consists of an instruction manual and a die-cut cardboard "computer".
Telephonoscope A telephonoscope was an early concept of videophone and television, conceptualized in the late 1870s through the 1890s. It was mentioned in various early science fiction works such as "Le Vingtième siècle. La vie électrique" ("The Twentieth Century: The Electrical Life") and other works written by Albert Robida. It was also sketched in various cartoons by George du Maurier as a fictional invention by Thomas Edison including one made on December 9, 1878 in "Punch" magazine.