On the Oldengine list an Aussie has posted pictures of a lister A type with the carb heated by the exhaust smoke. I have never seem this shown in England & wondered if it was ever used in Britain. See
Looks like a petrol/parafin version. A lot of Petter A series have a similar system, the heated manifold allows you to start with petrol then switch over to parafin or TVO once the manifold is hot.
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