1955
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| ®The Minifon “P55” |
1955
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This ultraminiaturized pocket wire recorder used tiny custom-made steel-wire bobbins for one hour of recording time. Battery operated, it was originally fitted with miniature tubes. It was first developed in 1952 by Monske GMBH of Hanover, Germany. The basic cost was US$289.50. Classed as dictating machines in the 50’s, the Minifon recorders were the world’s smallest dictating machines, which certainly found their way into some clandestine applications as well. What makes this specimen so endearing is that it is still in its original box. |
| Sample of literature- [1]-[2] |