The bottom line, IMO, is that all pins will corrode under the "right"
conditions. What pin works best for one person does poorly in another's
house. Pollutants, humidity, temperature, and frequency and speed of change
of them; all vary from city to city and from household to household, and all
will affect the metals.
"Personal chemistry" should be considered as well. My perspiration seems to be highly "corrosive" also: fabrics, finish on bobbins, metals... Anything I handle too much will disintegrate after a while. Doubtless it the same element which due to my bitchy nature makes my blood too bitter even for the mosquitos :)
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Tamara P Duvall
Lexington, Virginia, USA
Formerly of Warsaw, Poland
http://lorien.emufarm.org/~tpd/
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