HEWLETT-PACKARD HP2114B MINICOMPUTER
SCREEN CAPTURE FROM A VIDEO* BY THE VINTAGE TECHNOLOGY ASSOCIATION*, CA. 2011
PETRI USED A SIMILAR HP2114B IN THE SPRING 1972 AT HIS SCHOOL (SYK), THE MACHINE HAD 4K MEMORY, HP EDUCATIONAL BASIC, A TELETYPE TERMINAL, AND AN OPTICAL CARD READER.