[TheForge] A different needle question

[Peter Fels & Phoebe Palmer]

The old guys at the  auto spring shop years ago said they used to temper by dipping the spring in oil and heating till the oil flashed, several times.
These methods don't apply to Bruce's needles because of the tiny cross section of the point.
On Oct 25, 2013, at 5:22 AM, Bob Ehrenberger wrote:

I don't think that I've seen this one on this question.

I have not tried this, but guys that build flint locks tell me that they 
temper the springs by putting them in a shallow dish, covering the spring 
with oil and lighting it.  By the time the oil burns off the spring has 
reached the proper temper.

Robert Ehrenberger
Shelbyville, Mo.
eforge at centurytel.net

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