[TheForge] A different needle question

[Peter Fels & Phoebe Palmer]

Too late for many of us Bruce.

On Oct 30, 2013, at 1:49 PM, Bruce . wrote:

My Uncle Harry worked in construction-related fields.  Last job he had he
was customizing commuter jet aircraft for the sheiks of Araby, etc.  Late
in life he got lung cancer.  (This was after he got colon cancer and had a
colonoscopy.)  Doctors said it was a classic case of "smoker's lung".  He'd
never smoked a day in his life ,,, ,

Be careful!

Bruce
NJ


On Wed, Oct 30, 2013 at 1:00 PM, Jerry Frost <akfrosty at mtaonline.net> wrote:

> PCBs Mmmmmmm. The best heat treat oils I've ever used are Heat treat oil
> and
> heat transfer oils though DN 600 worked very well. The heat treat and
> transfer oils are designed for carrying heat away from the source to the
> sink, both have very high flash points low emissions and are generally very
> low toxicity.
> 
> A lot of us grew up during times when toxicity of "ordinary" products
> wasn't
> a big concern to any of us. We used to work in Dad's shop wreathed in smoke
> from the spin lube we mixed ourselves and ord knows what else we exposed
> ourselves to spinning exotic metals. Seeriously, who knows what "Mu metal"
> is made of? What we knew about a lot of the stuff was it was classified,
> don't ask about it, don't talk about it, don't admit you know anything
> about
> it. Some of the stuff required special lubricants because we were spinning
> it incandescent yellow heat so our normal "Phels Naptha" soap and white
> grease lube we mixed ourselves wouldn't do.
> 
> 
> Dad died of complications from COPD after a lifetime of being exposed to
> who
> knows how bad, stuff. He did tell me his shop had MUCH better air than the
> spin shops at Boeing had during WWII and after. That the guys folk our age
> think of as old timers used products we now consider illegally dangerous is
> no surprise, we even as a society live and learn.
> 
> Frosty
> -----Original Message-----
> From: theforge-bounces at mailman.qth.net
> [mailto:theforge-bounces at mailman.qth.net] On Behalf Of Peter Fels & Phoebe
> Palmer
> Sent: Friday, October 25, 2013 6:52 PM
> To: Blacksmithing List Sponsored by ABANA
> Subject: Re: [TheForge] A different needle question
> 
> PCB transformer had a really high flash point. The old blacksmith Pete
> Paulson pointed that out to me long ago.
> He's long since dead and i have his anvil now. The PCB oil was very
> effective quench oil and i used it for years thereafter. It was thought to
> be pretty much inert back then.
> Mmmmm...Wrong!
> 
> On Oct 25, 2013, at 7:14 PM, Rob Fertner wrote:
> 
> The museum shop had a lidded container filled with motor oil, 30W I think.
> This has a lower flash point than vegetable oil.
> 
> -----Original Message-----
> From: theforge-bounces at mailman.qth.net
> [mailto:theforge-bounces at mailman.qth.net] On Behalf Of Peter Fels & Phoebe
> Palmer
> Sent: Friday, October 25, 2013 3:06 PM
> To: Blacksmithing List Sponsored by ABANA
> Subject: Re: [TheForge] A different needle question
> 
> Needless to say, different oils have different flash points, but close
> enough for most applications.
> 
> 
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