Shelfmark

Col.2

Maker

Cole; Ekco; E.K. Cole Ltd

Subjects

sound; electrical (bridge; galvanometer)

Title

Ekco Communication Engineering Instruments: Distortion Factor Meter, Type TF142

Description

Leaflet describing a device for measuring harmonic distortion ‘in the output of audio frequency oscillators and amplifiers’.

Earliest Date

Latest Date

Pages

4

Address

Southend-on-Sea [England]

Other Makers

Cat no

SB104

Contents List

Hardback

Prices

Index

Illustrations

Yes

General Ref