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Subject Source: Library of Congress Subject Headings
Scope Note: Created For = TD

Found in 2 Collections and/or Records:

Letter to James Cossar Ewart from James Ashworth, 25 November 1931

Identifier: Coll-14/9/37/11
Scope and Contents

Ashworth congratulates Ewart on his 80th birthday on behalf of the staff of the Zoology Department at the University of Edinburgh, and hopes that Ewart's investigations on the structure and evolution of the feathers are progressing well.

Dates: 25 November 1931

Letter to James Cossar Ewart from William Thomas Astbury, 29 October 1930

Identifier: Coll-14/9/36/10
Scope and Contents Astbury writes that at the Textile Physics Laboratory at the University of Leeds thay have just begun an X-ray study of the structure of feathers, in the aim of revealing more about the constitutions of the keratins in general. He reports that the quill end of goose or hen feathers produces an X-ray photograph which is quite different from ones he has obtained from wool, hair, fingernails, spines and horn. However, he would like to know more about the structural and biological nature of all...
Dates: 29 October 1930