V. On some recent experiments with a fireman’s respirator

  title={V. On some recent experiments with a fireman’s respirator},
  author={J. Tyndall},
  journal={Proceedings of the Royal Society of London},
  pages={359 - 361}
  • J. Tyndall
  • Engineering
  • Proceedings of the Royal Society of London
In vol. clx. of the ‘ Philosophical Transactions,’ 1870, p. 337,1 refer to certain experiments on the “ floating matter of the air,” which were afterwards considerably expanded and in part described in my ‘ Fragments of Science.’ These experiments, in which my object was to obtain optically pure air by filtration through cotton-wool, suggested to me the notion of a fireman’s respirator. Cotton-wool had been previously employed by Schroeder and Pasteur in their experiments on spontaneous… 
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