|
noun Motograph n. (Elec.) A device utilized in the making of a loud-speaking telephone, depending on the fact that the friction between a metallic point and a moving cylinder of moistened chalk, or a moving slip of paper, on which it rests is diminished by the passage of a current between the point and the moving surface. (obsolescent)
Collaborative International Dictionary of English 0.48
Copyright © 2024 Diccionario ingles.com
| 
