Sliding scale for determining BBC radio frequencies

Cardboard sliding scale for determining BBC radio broadcast

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Cardboard sliding scale for determining BBC radio broadcast
Science Museum Group
© The Board of Trustees of the Science Museum

Cardboard sliding scale for determining BBC radio broadcast frequencies

Details

Category:: Mathematics

Object Number:: 1981-130

type:: ready reckoner (electrical engineering) and ready reckoner (radio)

credit:: Mr D. Bryden

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Sliding scale for determining BBC radio frequencies

Details

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