1962 – Mechanical Maze with Memory – R.J. Curran (American)
Robert J. Curran's Mechanical Maze is included here as it is essentially a mechanical computer, exhibiting similar characteristics as other electro-mechanical maze solvers. As the mouse travels a path, if it has to back out due to a dead-end, the return pass triggers a mechanical latch to give the maze a "memory". The patent description gives …
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