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Surprises about electrical conductivity

I was just looking up expansion rates of metal for another post. The next column in the Machinery's Handbook lists elec...
37 comments posted 20yrs
posted by spaco
37 comments posted 20yrs posted by spaco

Stuck Millling Machine Collet

Does any one have any tricks for removing a #9 B&S collet from a milling machine that has probably been sitting for a l...
4 comments posted 20yrs
posted by jgtr
4 comments posted 20yrs posted by jgtr

high strenth quick release

http://www.seacatch.com/index.htm
4 comments posted 20yrs
posted by kfvorwerk
4 comments posted 20yrs posted by kfvorwerk

Anyone have interest in old BMW magazines?

I have a set of old BMW magazines, put them on eBay and they didn't sell. Free for the shipping cost should fit in one...
2 comments posted 20yrs
posted by wayneREMOVETHIS
2 comments posted 20yrs posted by wayneREMOVETHIS

Vintage Smiths Work 1902 FA

Smiths Work with Numerous Engravings & Diagrams by Paul N Hasluck 1902 VGC 160 pages. 1st.Edition Brilliant vintage cra...
0 comments posted 20yrs
posted by janeypugh
0 comments posted 20yrs posted by janeypugh

cleaning brass/copper

Has anyone any advice on cleaning copper/brass very old steam fittings. I think they are copper because the metal seems...
10 comments posted 20yrs
posted by technical123
10 comments posted 20yrs posted by technical123

Rothenberger Torch?

I've been looking at a Turbotorch in propane - model LP-1 like this one http://www.plumbersurplus.com/ProductDetail.asp...
4 comments posted 20yrs
posted by jack.stewart
4 comments posted 20yrs posted by jack.stewart

where to get sony DRO Scales?

i've got a Sony magnescale on my lathe, and it looks like the scale(or cable or adapter, but i think it's the scale its...
6 comments posted 20yrs
posted by joelrf600r
6 comments posted 20yrs posted by joelrf600r

OT gestetner paper

This is a little off topic but with the variety of arcane knowledge here I'm hoping someone here can help. I'm looking...
11 comments posted 20yrs
posted by xkbal
11 comments posted 20yrs posted by xkbal

Lubrication Cocktails? Marvel Mystery Oil?

Awl-- Has anyone heard of/used Marvel Mystery Oil? Any opinions? Someone I knew would mix this, I think w/ way oil, for...
8 comments posted 20yrs
posted by physical
8 comments posted 20yrs posted by physical

VFD and Dealers Electric experience

Hi all, Just thought I'd let you know about my experience with Dealers Electric (insert usual disclaimer about not bein...
6 comments posted 20yrs
posted by pgrey
6 comments posted 20yrs posted by pgrey

lathe classifications -- whats a chucker

How does a "chucker" lathe differ from other types? I know about turret lathes, engine lathes, toolroom lathes... I've...
20 comments posted 20yrs
posted by berger
20 comments posted 20yrs posted by berger

Refrigerant recovery unit -- vacuum pump?

I won a Sun "refrigerant recovery unit" in a military auction for $55. I have not picked it up yet, but it looks to hav...
23 comments posted 20yrs
posted by ignoramus13653
23 comments posted 20yrs posted by ignoramus13653