Calibration of 8" floppy drive?
cclist at sydex.com
Sat Feb 6 13:26:34 CST 2016
On 02/06/2016 10:18 AM, Fred Cisin wrote:
> D'ya mean a tuba spit-valve pad?
No, those are cork, not felt. On brasswinds, felt's usually used as a
cushioning device on piston valves, so things don't go "clank clank".
Rotary valves employ cork or rubber for a similar use. Pianos use a
great deal of felt.
You might even be able to round up a strip of felt from a laser printer
fuser assembly--used to wipe the fuser drum.
But see, for example, something from Ferree's:
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