@ned i think polishing is a problem too. manual polishing can't yield that level of precision. while piece was machined and machine polished
probably without being removed from machine
did they have chemicals that soften granite?
@ned i think polishing is a problem too. manual polishing can't yield that level of precision. while piece was machined and machine polished
probably without being removed from machine
did they have chemicals that soften granite?
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