558: Difference between revisions

201 bytes removed ,  4 April
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* [[Media:GR 558 Wavemeter 500-11-15-28.pdf|558 Instruction Card 500-11-15-28]]
* [[Media:GR 558 Wavemeter 500-11-15-28.pdf|558 Instruction Card 500-11-15-28]]
{{Catalog History}}
{{Catalog History}}
* [[Media:GRwiki Bulletin 930 OCR Apparatus 1928.pdf|Bulletin 930 (1928)]], p.9375
* [[Media:GRwiki Catalog E1 OCR 1928.pdf|E1 (1928)]], p.79
* [[Media:GRwiki Catalog E2 OCR 1928.pdf|E2 (1928)]], p.79
}}
}}
The '''General Radio 558 Amateur Band Frequency Meter''' was introduced in {{Bulletin 930}} and {{Catalog E1}} / {{Catalog E2}}.  
The '''General Radio 558 Amateur Band Frequency Meter''' was introduced in {{Bulletin 930}} and {{Catalog E1}} / {{Catalog E2}}.