■ . Marconi valves arm no dearer than or- dinar/ valvas. Thar* ara equivalent \ m B m arconi Valvas
... Marconi etrton T MARCONI ENGINEERS' RECOMMENDATION , ADDRESS »>*—~ rill in this coupon and post it to The Marconiphone Company Ltd. (Valve Department) Radio House, Tottenham Court Road, London, W.l, and will advise you the Make of Model Model No best ...