On Mon, 20 Jun 2005 23:14:35 -0700, JT wrote:

It's hardly sci.electronics, but this group seems more likely - has
anyone done and significant teardown/lubricate on professional video
"fluid" heads, e.g. Bogen/Manfrotto?
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Ask over at rec.video.production
There'll be someone there that'll have the infoyou need.