The extraction of tannin from waste western hemlock bark
By: by William Pittam.
Published: 1944
Language: eng
Number of pages: 58
Subjects: Tannins.; Wood waste.; Lumber trade -- By-products.; Western hemlock.; Bark -- Utilization.
Notes: Typescript.

Thesis (M.S.)--Oregon State College, 1944.

Bibliography: leaf 58.