IRONGAUGE • AUDITED FIELD MATRIX
Vintage Foundry Marks & Era Identification Matrix
Casting thicknesses, metallurgy weights, factory mill swirls, and grapeseed oil polymerization smoke points.
Erie Pennsylvania Antique Foundry (1939-1957)
Griswold #8 Small Logo Vintage Cast Iron Skillet
pan weight:4.2 lbs (Ultra-Thin Silky Wall Casting)
surface finish:Factory Hand-Polished Mill Swirls
diameter:10.5 Inches Cooking Surface
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Sidney Ohio Heritage Foundry
Wagner Ware Sydney -O- #8 Vintage Skillet (1935-1959)
pan weight:4.4 lbs Lightweight Ergonomic Handle
surface finish:Smooth Turned Factory Stone-Ground
diameter:10.25 Inches
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Chemical Restoration & Carbon Stripping
Sodium Hydroxide (Lye) Cold De-Greasing Bath
pan weight:1 lb 100% Pure Lye per 5 Gallons Water
surface finish:Dissolves 80 Years of Rancid Organic Grease
diameter:Heavy Poly Tub with Snug Lid
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