Variable Air Capacitors
Colmovox (Brand), Colville-Moore Wireless Supplies Ltd.; Sydney NSW
- Paese
- Australia
- Produttore / Marca
- Colmovox (Brand), Colville-Moore Wireless Supplies Ltd.; Sydney NSW
- Anno
- 1924
- Categoria
- Parte di radio (ma non modulo a sè stante)
- Radiomuseum.org ID
- 328183
- Gamme d'onda
- - senza
- Materiali
- Vari materiali
- Radiomuseum.org
- Modello: Variable Air Capacitors - Colmovox Brand, Colville-Moore
- Forma
- Diverse forme (descritte nelle note).
- Annotazioni
-
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 55B- Approx. Capacities Price Vernier 3 .000075 8/6 5 .00015 10/- 13 .0003 12/- 20/- 3 .00055 15/- 23/- 43 .001 20/- 28/- 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/-
- Bibliografia
- Wireless Weekly (Australia) (July 4, 1924, page 5.)
- Autore
- Modello inviato da Gary Cowans. Utilizzare "Proponi modifica" per inviare ulteriori dati.
- Altri modelli
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In questo link sono elencati 18 modelli, di cui 16 con immagini e 0 con schemi.
Elenco delle radio e altri apparecchi della Colmovox (Brand), Colville-Moore Wireless Supplies Ltd.; Sydney NSW