Letter | Published:

The Ash Seed Screw

Nature volume 13, page 428 | Download Citation

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Abstract

MR. ALFRED GEORGE RENSHAW would like to know (NATURE, vol. xiii. p. 367) whether the pitch of the ash seed screw is that which would give most power to the propeller of a steamer.

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Affiliations

  1. Summerbill, Aberdeen, March 20

    • A. STEPHEN WILSON

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DOI

https://doi.org/10.1038/013428b0

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