Andrew Carnegie：Autobiography of Andrew Carnegie, Additional Excerpt 274

The next step taken was to find a chemist as Mr. Curry's assistant and guide. We found the man in a learned German, Dr. Fricke, and great secrets did the doctor open up to us. Iron stone from mines that had a high reputation was now found to contain ten, fifteen, and even twenty per cent less iron than it had been credited with. Mines that hitherto had a poor reputation we found to be now yielding superior ore. The good was bad and the bad was good, and everything was topsy-turvy. Nine tenths of all the uncertainties of pig-iron making were dispelled under the burning sun of chemical knowledge.

Source： https://www.gutenberg.org/ebooks/17976
Locator：Additional excerpt 274 · Verified：2026-10-19 · Verification：Short excerpt

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