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Inventors -- Denmark

Subject Source: Library of Congress Subject Headings

Found in 1 Collection or Record:

Christian Casper Mortensen biography

 File — Folder 1: [Barcode: 31197230313204]
Identifier: MSS SC 1577
Scope and Contents

Photocopy of a typewritten biography of Christian Casper Mortensen, the Danish inventor of the flush drill for boring wells and a tube well-filter.

Dates: approximately 1955