John D. Rockefeller：Random Reminiscences of Men and Events, Additional Excerpt 134

It can easily be seen that this saving in insurance, and minimizing the loss by fire affected the profits, not only in refining, but touched many other associated enterprises: the manufacture of by-products, the tanks and steamers, the pumping-stations, etc.

Source： https://www.gutenberg.org/ebooks/17090
Locator：Additional excerpt 134 · Verified：2026-10-19 · Verification：Short excerpt

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