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  • BANGAY (R.D.) THE OSCILLATION VALVE The Elementary Principles Of Its Application To Wireless Telegraphy.
1919. viii + 215pp + 4pp publisher's adverts. Hardback. 110 text-figs.

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BANGAY (R.D.)
BANGAY (R.D.) THE OSCILLATION VALVE The Elementary Principles Of Its Application To Wireless Telegraphy.

  • SKU: 32762
  • Condition: Covers rather worn; inner joints cracked; otherwise very good.
  • Publisher: The Wireless Press, London
  • Publish Date: 1920
  • £12.00


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