Variable Air Capacitors

Variable Capacitors (Condensers)

Colville-Moore Wireless Supplies Ltd., manufactured a range of variable capacitors from 1924.

VARIABLE AIR CONDENSERS

THE HEART OF THE TUNING UNIT

Effective Tuning is only possible with the condenser of Low Radio Frequency Resistance.

TYPE 558, VARIABLE AIR CONDENSER. — A better class highly efficient and inexpensive condenser for the radio experimenter.

ENDS: MOULDED BAKELITE. —Brass bushed ends.

PLATES: HEAVY ALUMINIUM PLATES. — Eccentric in design, providing an extremely gradual variation in capacity, and making this instrument suitable for accurate calibration or wave-meter work.

CONTACT: POSITIVE SPRING CONTACT. — Ensuring perfect connections, with movable plates.

SPINDLES: TURNED.— ¼in. brass spindle.

FINISH: NICKEL PLATED.—Brass and aluminium finish.

VERNIER, TYPE 55B, is equipped with a three (3) plate attachment, allowing minute capacity variations for fine tuning.

TYPE 77.—A highly efficient variable air condenser, of rugged construction. Similar in characteristics of type 55, except that the end plates are of heavy aluminium, hard rubber Bushed. Panel mounting by one hole, similar to telephone jack. In two capacities only.

TYPE 77A—23 Plate Capacity, approximately 550 M.M.F. (.00055 M.F.) 12/-

TYPE 77A—43 Plate Capacity, Approximately 1000 M.M.F. (.001 M.F.)   15/-

Donde encontrará 18 modelos, 16 con imágenes y 0 con esquemas.
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