Perry doesn't the M.C.I. lend it's self to working with a hard pin? Often the hard material wears more than the soft? One of the advantages of the cast iron is that it is self lubricating because of the carbon (like graphite) content.
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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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