They are supposed to run dry.
I think graphite would be impractical unless you could drive your carrier through it. :-)
Too hard to get in there. The graphite (carbon) is in the iron already.
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Bluebell
Carrier Armoured O.P. No1 Mk3 W. T84991
Carrier Bren No2.Mk.I. NewZealand Railways. NZR.6.
Dodge WC55. 37mm Gun Motor Carriage M6
Jeep Mb #135668
So many questions....
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