MAKING THIN SECTIONS BY HAND revised 2007
MAKING THIN SECTIONS BY HAND by Richard Hill ... After each abrasive be sure to inspect the surface to see if the pits left by the abrasive are uniform and that all the bigger pits and scratches from the previous abrasive have been removed. ... Notably among these are dinosaur eggshells. The shell of the Titanosaur from Argentina is the hardest ...
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