Tool - Brannan The 'Compact' Whirling Hygrometer, sling psychrometer

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This media item is licensed under "All rights reserved". You cannot share (i.e. copy, distribute, transmit) or rework (i.e. alter, transform, build upon) this item, or use it for commercial purposes without the permission of the copyright owner. However, an exception can be made if your intended use meets the "fair dealing" criteria. Uses that meet this criteria include research or study; criticism or review; parody or satire; reporting news; enabling a person with a disability to access material; or professional advice by a lawyer, patent attorney, or trademark attorney.

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This media item is licensed under "All rights reserved". You cannot share (i.e. copy, distribute, transmit) or rework (i.e. alter, transform, build upon) this item, or use it for commercial purposes without the permission of the copyright owner. However, an exception can be made if your intended use meets the "fair dealing" criteria. Uses that meet this criteria include research or study; criticism or review; parody or satire; reporting news; enabling a person with a disability to access material; or professional advice by a lawyer, patent attorney, or trademark attorney.

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Historical information

A sling psychrometer comprises a wet and a dry thermometer and is used to determine percentage of relative humidity.
The instrument is designed to be rotated, by hand, to provide adequate and consistent ventilation of the thermometer bulbs.
Used in planning for burning activities

Physical description

A portable instrument comprising a pair of wet and dry bulb thermometers which can be slid into a handle for transport. The handle has a slide-rule type calculator to enable the determination of relative humidity.

Inscriptions & markings

Brannan

Identifier

FCRPA Altona 26 A/338

Materials

plastic body, glass tubes

Cite this page

Victorian Collections

https://victoriancollections.net.au/items/6a1f83f29c61de45137e645c

Accessed 4 June 2026

This record was last updated yesterday

Completeness

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Tool - Brannan The 'Compact' Whirling Hygrometer, sling psychrometer

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Conditions of use

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Reuse this media

Conditions of use

Attribution

Reuse this media

Conditions of use

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Reuse this media

Conditions of use

Attribution

Reuse this media

Conditions of use

Attribution

Historical information

Physical description

Inscriptions & markings