8:08 pm
NWBA Member
April 19, 2010
7:11 pm
NWBA Member
April 19, 2010
Thanks so much Jim. I'm not restoring one but have a chance to buy a few springs but won't have a place to run a spark test. I should probably buy a low priced battery operated grinder from Harbor Freight because I run into this sort of problem every now and then.
Sometimes wrought iron is obvious without any test but most times not...
7:38 pm
NWBA Member
March 18, 2021
I found this on another site. Maybe it will help.
If they are obviously completely hand forged, hinge and all, that's a decent sign. Thin, nice even tapers, that sort of thing. They'll be more refined than just blister, so no grain lines like wrought. They are usually shear or double shear. A known pre-1870 date is excellent, although some places still made shear steel seat springs for wagons into the 1890s. Personally, I'd have to see them in-hand, I wouldn't necessarily think I could do a positive ID via internet.
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