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heat treating flint
iowabow:
Another photo of the pit
iowabow:
See how the pit has changed?
iowabow:
The very edge read 130
iowabow:
I really don't know if this is in the hottest spot but we still have a fire burning after 48 hours here. So with this type of heat treating you will get days of work from the process and a very slow ramp down.
iowabow:
Look closely at the earlier pit photo and the latest. You will notice the surface has sunken. The charcoal created during the firing process is being consumed at a very slow rate.
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