http://www.silentpcreview.com/article759-page1.html
Edit:
There is no word on curvature of the base.
Actually, the only reference to the base I could find was the following.
Smooth, polished base with no visible machine marks.
Edit:
There is no word on curvature of the base.
Actually, the only reference to the base I could find was the following.
Smooth, polished base with no visible machine marks.