Summary

Octode converter, popular in the late 1930s and still used for some time after World War II (1939-1945).

Manufacturer: Philips, Sydney, NSW.

The 2 over 4 excise mark indicates that this example was manufactured in Philips's Sydney plant. Philips moved to Hendon South Australia in 1946.
6.3 volt indirectly heated cathode.

Physical Description

Gold sprayed tubular glass bulb with top cap and octal base

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