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Sling Psychrometer

DLSPH Occupational Health

An instrument consisting of a black rectangular wooden frame with a wooden handle attached at one end. The handle is attached in such away that the frame may rotate around its circumference.

Within the frame are mounted two mercury thermometers, one of which is linked to a third glass chamber with a cloth wick.

Accession Number: 2016.phlt.1.98

Alternative Name:

Primary Materials: Wood, Glass, Metal


Dimensions (cm): ***


The sling psychrometer is used to measure relative humidity.


Good. The instrument is intact but worn. The base of the wooden handle appears to have been crudely carved away in order to reduce its diameter.

Associated Instruments:

Manufacturer: Unknown

Date of Manufacture:


Additional Information and References:

Historical Notes: