| Info | Video | Info | Video | |
|---|---|---|---|---|
|
Adding Machine
9s 918KB 1992-04-07 |
Ballot Tabulation
8s 689KB 1992-04-07 | |||
|
Bunkbed Computer
9s 897KB 1992-04-07 |
Sage Computer
31s 3MB 1992-04-07 | |||
|
Speed speed speed
5s 452KB 1992-04-07 |
TV Telephones
8s 635KB 1992-04-07 | |||
|
Typewriter Sequence
9s 621KB 1992-04-07 |