ferrograph meaning in Hindi

Examples

1. The Ferrograph tape-recorder was used for mixing much of the background sound.
2. In 1977, Huggett had been working for Ferrograph, for 3M in their digital multi-track division, and as a freelance studio maintenance engineer.
3. The recordings were originally made by her husband Rodney Drake on a home Ferrograph recorder, the released versions of which were engineered by John Wood and produced by Cally Callomon.