| Title: | Selection, use, and maintenance of respiratory protective devices |
| Author: | Schrenk, H. H. (Helmuth Herman), 1902- |
| Author: | Pearce, S. J. |
| Note: | U.S. Dept. of the Interior, Bureau of Mines, 1943 |
| Link: | page images at HathiTrust |
| No stable link: | This is an uncurated book entry from our extended bookshelves, readable online now but without a stable link here. You should not bookmark this page, but you can request that we add this book to our curated collection, which has stable links. |
| Subject: | Breathing apparatus |
| Subject: | Gas masks |
| Subject: | Mineral industries -- Safety measures |
| Subject: | Respirators (Medical equipment) |
| Other copies: | Look for editions of this book at your library, or elsewhere. |
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