Cone clutch

[Jhalfdime@aol.com]

Cheers,
    Murphy, my '28 Anzani engined Aero, has recently been showing signs of 
initial clutch slippage.  As my previous cone clutch experience goes back to 
thirty or so years ago when I muscled a Gravely lawn machine around, can 
anyone give me some clues and/or sources to read regarding the recently 
acting-up clutch?
    She's too much fun to drive to put on my mantle!
    Cheers & Happy Morganing,
        Jim Nichol