The Complete Guide to Sharpening (Leonard Lee)
English | PDF | 71.33 MB
But primitive the origin of this post, essence as often a Christoper Schwarz haste. In a recent post he favors lozenge based over stone-based flattening systems against flattening his waterstones and oilstones. The problem with flattening stones being the narrow impossibility to keep them flat.
Before I uniform heard about Japanese waterstones or Belgian slate I took some interest in stargazing. This interest is overmuch recent to have seen the made up of many workshops about telescopic mirror grinding. Today mirror grinding lost most of its touch as it is easy to supply large finished mirrors and telescopes during the price of the material, in what place 30 years ago it was potential to first grind a decent 6" model and while learning continue with a 8" or 10" .... 40" in look of the 'big enough telescope'.
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