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A Direct Reading Hygrometer

Published online by Cambridge University Press:  31 October 2008

Walter Jamieson
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The instrument is an ordinary dry and wet bulb hygrometer adapted to give a direct

reading of the percentage humidity. I, I are pointers set at the dry and wet bulb readings by means of pieces sliding on the rods A, B and joined together by a link C, which actuates by a slot the scale F (movable in the vertical) on which the percentage humidity is read at the pointer D.

Type
Research Article
Information
Edinburgh Mathematical Notes , Volume 17 , January 1915 , pp. 195 - 196
Copyright
Copyright © Edinburgh Mathematical Society 1915