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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.

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Spelling suggestions: "subject:"rockdrills. its (drilling anda boring)"" "subject:"rockdrills. its (drilling ando boring)""

1

On the breakage of rock drill steel

Frey, Muir Luken. January 1923 (has links) (PDF)
Thesis (M.S.)--University of Missouri, School of Mines and Metallurgy, 1923. / The entire thesis text is included in file. Typescript. Title from title screen of thesis/dissertation PDF file (viewed May 21, 2010) Includes bibliographical references (p. 36).
Rock-drills. Bits (Drilling and boring)

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