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A Brass alloy containing Copper (60%), Zinc (38.2%) and Iron (1.8%) that was patented by J. Aich in 1860. The addition of iron hardens the alloy and makes it more suitable for forging.
Resources and Citations
- G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 524
- Dictionary of Building Preservation, Ward Bucher, ed., John Wiley & Sons, Inc., New York City, 1996