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The {{Title|General Radio 1401-A Standard Air Capacitor}} was introduced in {{Catalog M}} and remained available through {{Catalog S}}. Type 1401-A is one of four in the series, see [[1401]] for an overview. | The {{Title|General Radio 1401-A Standard Air Capacitor}} was introduced in {{Catalog M}} and remained available through {{Catalog S}}. Type 1401-A is one of four in the series, see [[1401]] for an overview. | ||
Type 1401-A is a two-terminal, 100 pF air capacitor designed as a laboratory reference or working capacitance standard. It features all-aluminum construction with shielded covers. Connections are [[274|Type 274 plugs]] spaced ¾ inches on center. This spacing matches the [[716-C|Type 716-C Capacitance Bridge]], making the 1401-A useful as balancing | Type 1401-A is a two-terminal, 100 pF air capacitor designed as a laboratory reference or working capacitance standard. It features all-aluminum construction with shielded covers. Connections are [[274|Type 274 plugs]] spaced ¾ inches on center. This spacing matches the [[716-C|Type 716-C Capacitance Bridge]], making the 1401-A useful as a balancing capacitor when performing substitution measurements. | ||
==Specifications== | ==Specifications== |