Manual of military hygiene for the military services of the United States / by Valery Havard.

  • Havard, Valery, 1846-1927.
Date:
1909
Catalogue details

Licence: Public Domain Mark

Credit: Manual of military hygiene for the military services of the United States / by Valery Havard. Source: Wellcome Collection.

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    T37 Raw water enters at i and passing through the open valve 7 flows down through the tube 2 and enters the lower end of the raw water com¬ partment 3 of the “heat exchange.’’ Rising in the compartment 3, the water, which is shown by light shading, fills the compartment and enters the float-box 4. Passing from the float-box 4, the water enters and fills the heater 5 up to the level X. The water in the float-box 4 must also be at the same level X and at this point the water lifts the float 6 and closes the valve 7, thereby preventing more water entering the apparatus at 1. Should the float or valve stick or fail to rise through any cause, the water will continue to rise in the float-box 4 and likewise in the heater 5