Vacuum cleaning
By: by Evelyn H. Roberts.
Series: Bulletin / State College of Washington. Agricultural Experiment Station -- no. 336.; Bulletin (State College of Washington. Agricultural Experiment Station) -- no. 336.
Publisher: State College of Washington, Agricultural Experiment Station
Published: 1936
Place of publication: Pullman, Wash
Language: eng
Number of pages: 24
Subjects: Vacuum cleaners; Vacuum cleaning
Notes: Cover title.

Bibliography: p. 24.