Photos featured in: “Computer History Museum Review: 7 Striking Exhibits from the Digital Age”
Computer History Museum sign
Charles Babbage Difference Engine #2
Babbage Difference Engine gears
Babbage Difference Engine rows of mechanisms
Xerox Alto 1 workstation
Apple-1 circuit board mounted to wood
NEAC 2203 Computer
Philco 212 computer
Philco 212 processing banks
Dozen of Wooden Slide Rules
Three Styles of Abacuses
Dozen of Early Personal Computers