558-P: Difference between revisions

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* [[Media:GRwiki Bulletin 933 OCR 1931.pdf|Bulletin 933 (1931)]], p.25
* [[Media:GRwiki Bulletin 933 OCR 1931.pdf|Bulletin 933 (1931)]], p.25
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The '''General Radio 558-P Amateur Band Frequency Meter''' was introduced in 1930 Bulletin F1 and available through Bulletin 933 1931.  
The '''General Radio 558-P Amateur Band Frequency Meter''' was introduced in 1930 Catalog F1 and available through 1931 Bulletin 933.  


==Specifications==
==Specifications==
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