Sputnik Satellite & Space Audio Transmission (1957) [Online-Exclusive] Playstation This model featured a built-in

This model featured a built-in cooling fan to protect delicate film slides from the intense heat of its bright 300-watt bulb

It used standard circular slide trays and featured a built-in storage compartment for its wired remote control

pressing it allowed a farmer to call the central operator silently

hand-cranked tool used by telephone repair crews throughout the early 20th century to fix rural phone lines

the radio packed a sophisticated seven-vacuum-tube system that featured Zenith's famous ultra-sensitive tuning circuits for crystal-clear AM and FM radio reception

Sputnik Satellite & Space Audio Transmission (1957) [Online-Exclusive] Playstation This model featured a built-inFIRST: Artificial Satellite in Space & Space Transmission of Audio Signal Online Exclusive Exhibit Media: Recording of the actual Audio signal from Sputnik. The Sputnik satellite was launched by the Soviet Union on October 4, 1957 as part of the Soviet space program. It sent radio signals back to Earth for three weeks until its batteries died. It fell back to Earth on January 4, 1958. The United States was scared that the Soviets had a Satellite in