Not sure if these will help but they're all I could come up with if it's along the lines of cleaning / repairs? Dead Link Removed http://www.cameraclinic.co.uk/
Making adapters: SRB (mentioned in previous post).
Complicated optical work (regrinding, repolishing, recoating): Optical Instruments (Balham) (actually located in Croydon) Dead Link Removed
Ability to work on old and unusual equipment: Newton Ellis of Liverpool. http://www.camerashop.btinternet.co.uk/
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