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Ptak Science Books: Mall-Mortuary Faces on Robot Patent Drawings, 1936-1976

Ptak Science Books: Mall-Mortuary Faces on Robot Patent Drawings, 1936-1976

Ptak Science Books: Mall-Mortuary Faces on Robot Patent Drawings, 1936-1976

Ptak Science Books: Mall-Mortuary Faces on Robot Patent Drawings, 1936-1976

Ptak Science Books: Mall-Mortuary Faces on Robot Patent Drawings, 1936-1976

Ptak Science Books: Mall-Mortuary Faces on Robot Patent Drawings, 1936-1976

Ptak Science Books: Mall-Mortuary Faces on Robot Patent Drawings, 1936-1976

Beautiful patent drawing for R. J. Spalding’s Flying Machine, 1889.

A LEGO patent drawing from 1958, discovered by Mrs. Easton.