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1656: Difference between revisions
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* [[Media:GRwiki 1656 Impedance Bridge 1656-0100-B 07_1974 .pdf|General Radio 1656 Impedance Bridge 1656-0100-B 1974]] | * [[Media:GRwiki 1656 Impedance Bridge 1656-0100-B 07_1974 .pdf|General Radio 1656 Impedance Bridge 1656-0100-B 1974]] | ||
}} | }} | ||
The '''General Radio 1656 Impedance Bridge''' was introduced in | The '''General Radio 1656 Impedance Bridge''' was introduced in {{Catalog U}} and remained available through {{Catalog 1978}}. | ||
It is last in a long line of manual impedance bridges starting with [[650-A]] in 1933. | It is last in a long line of manual impedance bridges starting with [[650-A]] in 1933. | ||