What did Charles Fenerty and Friedrich Keller help develop in 1844?

Wood pulp papermaking.

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  1. Cotton paper
  2. Wood pulp papermaking ✔
  3. Papyrus scrolls

Why: They invented the machine and process to use wood pulp, ending nearly 2,000 years of pulped rags.

Huh, didn't know that: They invented the machine and process to use wood pulp, ending nearly 2,000 years of pulped rags.

The dad joke
Wood pulp was a tree-mendous change.
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References

Answer: Wood pulp papermaking. They invented the machine and process to use wood pulp, ending nearly 2,000 years of pulped rags.

  1. Papermaking en.wikipedia.org/wiki/Papermaking
    invented the machine and associated process to make use of wood pulp in papermaking
    Checked 2026-11-07.

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