logo

Video encyclopedia

Mechanical computer

1:44

Mechanical computer (BUSICOM HL-21)

8:03

Mechanical calculator in action

41:53

Mechanical Computer (All Parts) - Basic Mechanisms In Fire Control Computers

23:13

Single Board Relay Computer

3:39

(1/4) Intro/History: Introducing a 100-year-old mechanical computer

A mechanical computer is built from mechanical components such as levers and gears, rather than electronic components. The most common examples are adding machines and mechanical counters, which use the turning of gears to increment output displays. More complex examples could carry out multiplication and division—Friden used a moving head which paused at each column—and even differential analysis. One model sold in the 1960s calculated square roots.
    Explore contextually related video stories in a new eye-catching way. Try Combster now!
    • Types 

    • Examples 

    • Electro-mechanical computers