e/CARDboard Illustrative Aid to Computation

Information
has gloss	eng: Cardiac (CARDboard Illustrative Aid to Computation) was a learning aid developed by David Hagelbarger and Saul Fingerman for Bell Telephone Laboratories in 1968 (Copyright 1966, 1968) to teach high school students how computers work. The kit consisted of an instruction manual and a die-cut cardboard "computer".
lexicalization	eng: CARDboard Illustrative Aid to Computation
instance of	e/Computational model