The Shed – September-October 2019

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Normalize

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    to non-magnetic (you can test this
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Harden

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Tempering

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RXW EXW DOVR WDNHV RXW D ELW RI WKH

KDUGQHVVμVD\V-RVK ́6RLW·VDÀQHOLQH

Hardening in sunflower oil; scale comes off
after a sudden drop in temperature

Grinding the edge — demonstration on

a parang, a Malaysian machete

Checking the hardness with a skating file