1958 – Sparky the Robot Pup – Gaylord Welker (American)

"Sparky" the Robot Pup appeared in Dec 1958-Jan 1959 issues of Popular Electronics. Full pdf here Sparky the Robot Pup PE Dec 1958-Jan 1959.   HOW IT WORKS When main switch S1 is closed, all relays stay in their unactivated position and power is supplied only to the drive motor (M2) and "eye" lights. The …