1934 CEB Ferranti AC Test Set Comprising A Voltmeter & Ammeter In A Bakelite Case

$ 51.39

$ 66.81

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1934 Vintage CEB Ferranti AC Test Set Comprising A Voltmeter & Ammeter In A Bakelite Case

Name: 1934 CEB Ferranti AC Test Set Comprising A Voltmeter & Ammeter In A Bakelite Case
SKU: 748939

This nice scientific curio is a 1934 CEB Ferranti AC Test Set Comprising A Voltmeter & Ammeter In A Bakelite Case. Made by Ferranti Ltd and in use at the Central Electricity Board (CEB) SWE & SW Bristol.

In pretty good cosmetic condition with a few surface scuffs and blemishes commensurate with age and use. It hasn't been tested and is being sold as a collectible.

The instrument comprises two permanent moving magnet coil instruments mounted in a single bakelite case with a metal CEB label on the exterior of the case. The inside comprises bakelite knobs which allow the voltage and current scales to be conveniently changed.

Approximate Size of the Bakelite Case: 13.8 x 5.7 x 4.9 cm

Metal Label : Central Electricity Board SWE & SW Bristol No. 41

Voltmeter

High Voltage: 100 ohms per volt; 600, 300 , 150 v

Low voltage: 10 ohms per volt ; 7.5, 15, 30 volts

Ammeter

Two Ranges: 0-5 and 0-0.5 amperes

Both meters are marked:-

A33437

Made in England

Patent no. 350380 (1930-02-01 Application filed by EDGAR HAROLD WALTER BANNER, Ferranti PLC)

BSI 25-100~