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1390-B: Difference between revisions
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{{Catalog History}} | {{Catalog History}} | ||
}} | }} | ||
The | The {{Title|General Radio 1390-B}} is a random noise generator introduced in 1961. | ||
It first appears in {{Catalog Q}} and remained available through {{Catalog 1978}}. | It first appears in {{Catalog Q}} and remained available through {{Catalog 1978}}. | ||