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  1. 5th May 2023, 06:57 PM #1
    johnwelch
    johnwelch is offline Intermediate Member
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    Default Original chisels

    In the early days of the colony, they used wooden blades as chisels. These were brought to a fine sharp edge and were able to slice through bones. Not often seen these days, they are surprising and have been suggested to hospitals for bone surgery and give a smooth surface. There was a TV doco on it.
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  3. 6th May 2023, 11:36 AM #2
    johnwelch
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    Default

    So here is the doco. Mulga wood is a bone chisel. The strength of mulga is 90-120MPa perpendicular to grain and skull-bone is 140-210MPa. 140 is bigger than 120. Anyway..
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