An Investigation into the Nature of Black Phthisis
or Ulceration Induced by Carbonaceous Accumulation in the Lungs of Coal Miners
en
~2 hours (170K characters)
Project Gutenberg
Produced by Bryan Ness, Janet Blenkinship and the Online Distributed Proofreading Team at https://www.pgdp.net (This book was produced from scanned images of public domain material from the Google Print project.)