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A Dust Dispersal Machine for Inhalation Experiments
  1. A. M. Fisher,
  2. Helen Christie
  1. Department of Physiological Hygiene, University of Toronto


    A machine is described that permits the controllable production of dusty atmospheres in which experimental animals may be exposed for extended periods. This is accomplished by diluting the dust with dense inert material from which it is subsequently removed without involving changes in the particle size or physical nature of the dust which it is desired to suspend in the atmosphere.

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