History of respiratory protective devices in the U.S.
Subtitle: pre World War I
By: Bruce J. Held.
Contributors: United States. Energy Research and Development Administration.
Publisher: s.n.
Published: 1979
Place of publication: [S.l
Language: eng
Number of pages: 73
Subjects: Respirators.; Gas masks.; Protective devices.
Notes: Work performed under the auspices of the U.S. Energy Research & Development Administration under contract No. W-7405-Eng-48.