The story of yang-yin
Subtitle: the Chinese symbol adopted for the Asten dryer felt trademark
By: Asten-Hill mfg. co., Philadelphia.
Publisher: Asten-Hill mfg. co.
Published: 1940
Place of publication: Philadelphia, Pa
Language: eng
Number of pages: 22
Subjects: Trademarks -- United States.
Notes: Double leaves, Chinese style.

Includes bibliographical reference (p. 22d leaf.).