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This is an article published in Radio Magazine, No. 2, 1959, P20, describing how to make a reed horn and how to calculate it.

author：G Circuit Repair Room

This is an article published in Radio Magazine, No. 2, 1959, P20, describing how to make a reed horn and how to calculate it.

This is an article published in Radio Magazine, No. 2, 1959, P20, describing how to make a reed horn and how to calculate it.
This is an article published in Radio Magazine, No. 2, 1959, P20, describing how to make a reed horn and how to calculate it.
This is an article published in Radio Magazine, No. 2, 1959, P20, describing how to make a reed horn and how to calculate it.
radio production magazine horn wireless essay
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Next: This was published in Radio Magazine, No. 2, 1959, P31, and introduced several small productions by amateur radio enthusiasts. They are: 1. Use a phonograph to repair the excitation coil 2

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