[AMPS] Metal disc inserts on Alpha 77

[RichyRusso@aol.com]

  Bring the discs to a machine shop, knob and all if you have to, have them 
put the knobs on a lathe or similar device and turn them. Turning will 
reestablish the circular machined lines on the original discs. You can even 
attempt this yourself by attaching the knobs to a motor... To get different 
finishes is quite easy. 

 To get a shiny center, they simply polish the aluminum outright with a light 
rouge.
 To get a circular machined look, they rotate the knob at high speed and use 
a sharp fine tool and work the center to the outside of the disc.
 To get a starburst type pattern the knob is rotated slowly or in set degrees 
and a brush style polisher is applied perpendicular to the knob.

 Practice on a set of Radio shack knobs and you can do this job easily 
yourself.. Regards.. Richy

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