MrBi11 wrote: » valve seat grinder
erco wrote: » +1, valve lapping tool.
rosco_co wrote: dental drill
rosco_pc wrote: my dentist in Taiwan had one of these on display
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EDIT: Can we get one question out of the way, is this for woodworking? I think I have seen one at a flea market or antique store somewhere.
+1, valve lapping tool.
With the mother of pearl handles, it came from a repair shop in Beverly Hills.
+ 2
Here're more cringe-worthy photos from the dental chamber of horrors:
http://www.millerdentalcare.com/eugene-dentist-the-evolution-of-the-dental-drill/
-Phil
And it made me appreciate the machines we have now