Shelfmark
Col.3
Maker
Cole; Ekco; E.K. Cole Ltd
Subjects
sound; electrical (oscillator)
Title
Ekco Communication Engineering Instruments: Beat Frequency Oscillator, Type TF195
Description
Earliest Date
Latest Date
Pages
4
Address
Southend-on-Sea [England]
Other Makers
Cat no
SB111
Contents List
Hardback
Prices
Index
Illustrations
Yes
General Ref
FM:18854
