Curious about the household technology that you might have seen in a typical home in 1970? In 1900? The Time-Warp Project is dedicated to preserving information about the advance of technology. The site lets visitors go decade by decade through illustrations of living rooms and other home settings, with a focus on recorded media, calculating machines, radio and television, photography, and various other household gadgets and gizmos. A timeline of 20th-century technological innovations is also available.

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