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| * [[Media:GR 544-B Megohm Bridge 458-M 02_1960.pdf|General Radio 544-B Megohm Bridge 458-M 1960]] | | * [[Media:GR 544-B Megohm Bridge 458-M 02_1960.pdf|General Radio 544-B Megohm Bridge 458-M 1960]] |
| {{Catalog History}} | | {{Catalog History}} |
| * [[Media:GRwiki Catalog K1 OCR 1939.pdf|K1 (1939)]], p.90
| |
| * [[Media:GRwiki Catalog K2 OCR 1942.pdf|K2 (1942)]],p.85
| |
| * [[Media:GRwiki Catalog K3 OCR 1944.pdf|K3 (1944)]], p.83
| |
| * [[Media:GRwiki Gatalog K4 OCR 1945.pdf|K4 (1945)]], p.83
| |
| * [[Media:GRwiki Catalog L OCR 1948.pdf|L (1948)]], p.89
| |
| * [[Media:GRwiki Catalog M OCR 1951.pdf|M (1951)]], p.93
| |
| * [[Media:GRwiki Catalog N OCR 1954.pdf|N (1954)]], p.78
| |
| * [[Media:GRwiki Catalog O OCR 1956.pdf|O (1956)]], p.16
| |
| * [[Media:GRwiki Catalog P OCR 1959.pdf|P (1959)]], p.8
| |
| * [[Media:GRwiki Catalog Q OCR 1961.pdf|Q (1961)]], p.9
| |
| * [[Media:GRwiki Catalog R OCR 1963.pdf|R (1963]], p.47
| |
| }} | | }} |
| The '''General Radio 544-P3 AC Power Supply''' was introduced in {{Catalog K1}} and remained available through {{Catalog R}}. | | The '''General Radio 544-P3 AC Power Supply''' was introduced in {{Catalog K1}} and remained available through {{Catalog R}}. |