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An early Ferrograph at the BBCRW in 1961
A Ferrograph at the BBCRW in 1958

The Ferrograph is a tape recorder that Delia used at the BBC Radiophonic Workshop.

There was a Ferrograph, with an internal speaker, that just went up to 7½ ips, used for timing, pip loops, click tracks.[1]

In fact, there were two Ferrograph tape recorders at the BBC Radiophonic Workshop in 1963: one monophonic which ran at 7½ and 15 i.p.s. and one twin track which ran at 3¾ and 7½ i.p.s.[2]


  1. Delia in the Radiophonic Ladies interview.
  2. DD155129: List of BBC Radiophonic Workshop facilities in the editing room in 1963.