LF: PORTADYNE

To:	[email protected]
Subject:	LF: PORTADYNE
From:	"hamilton mal" <[email protected]>
Date:	Wed, 22 Sep 2004 16:21:40 +0100
Reply-to:	[email protected]
Sender:	[email protected]

Hi All

Tnx agn for all the info and photos. The age seems to be around 1927-1930. I still need a cct diagram and the valve line up.

Some have suggested the valve types. They seem to be B4 type according to the Wireless World radio valve data book, old version with blue cover 1963.

On close inspection the dial has wavelength calibrations and a few faint names like Paris etc

Anymore info welcome.

de Mal/G3KEV

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