Psychrometer

Use this image

Can I reuse this image without permission? Yes

Object images on the Ingenium Collection’s portal have the following Creative Commons license:

ATTRIBUTE THIS IMAGE

Ingenium, 1988.0937.001
Permalink:

Ingenium is releasing this image under the Creative Commons licensing framework, and encourages downloading and reuse for non-commercial purposes. Please acknowledge Ingenium and cite the artifact number.

DOWNLOAD IMAGE

PURCHASE THIS IMAGE

This image is free for non-commercial use.

For commercial use, please consult our Reproduction Fees and contact us to purchase the image.

OBJECT TYPE: MASON'S/UNVENTILATED/STATIONARY
DATE: Unknown
ARTIFACT NUMBER: 1988.0937.001

MANUFACTURER: Casella
MODEL: Unknown
LOCATION: London, England

More Information

General Information

Serial #: N/A
Part Number: 1
Total Parts: 1
AKA: N/A
Patents: N/A
General Description: FERROUS METAL CASE/ WOOD SCALE/ GLASS THERMOMETERS & RESERVOIR BOTTLE/ COTTON? WICK/ MERCURY

Dimensions

Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.

Length: 34.5 cm
Width: 9.7 cm
Height: 4.5 cm
Thickness: N/A
Weight: N/A
Diameter: N/A
Volume: N/A

Lexicon

Group: Forestry
Category: Silviculture
Sub-Category: N/A

Manufacturer

AKA: Casella
Country: England
State/Province: Unknown
City: London

Context

Country: Canada
State/Province: Unknown
Period: Unknown
Canada: A BRITISH-MADE METEOROLOGICAL INSTRUMENT USED BY THE CANADIAN FORESTRY SERVICE TO MONITOR ATMOSPHERIC-CLIMATIC CONDITIONS.
Function: AN INSTRUMENT FOR DETERMINING ATMOSPHERIC HUMIDITY BY COMPARING THE DIFFERENT READINGS FROM TWO THERMOMETERS, ONE WITH A BULB KEPT WET.
Technical: AN EXAMPLE OF MASON'S HYGROMETER, USUALLY USED IN OPEN SITES OR BUILDINGS WHERE AIR FLOW FLUCTUATES CONSIDERABLY RATHER THAN THERMOMETER SCREENS WITH A CONSTANT AIR FLOW. FOR THIS REASON & BECAUSE THE THERMOMETERS ARE NOT STEMDIVIDED, THIS HYGROMETER WOULD NOT BE USED TO OBTAIN PRECISELY ACCURATE MEASUREMENTS.
Area Notes: Unknown

Details

Markings: SCALE INCISED IN BLACK 'CASELLA/ LONDON', 'DRY WET', & MARKED IN BLACK FOR 30 TO 140 DEGREES/ PARTIALLY ILLEGIBLE RED LETTERING ON BACK READS 'PA...'
Missing: N/A
Finish: CASE PAINTED WHITE (NOW FLAKING)/ BROWN WOOD/ CLEAR, WHITE-BACKED THERMOMETERS/ COLOURLESS TRANSPARENT BOTTLE
Decoration: STAMPED CURVILINEAR PARALLEL LINES ON HANGER

CITE THIS OBJECT

If you choose to share our information about this collection object, please cite:

Casella, Psychrometer, Unknown Date, Artifact no. 1988.0937, Ingenium – Canada’s Museums of Science and Innovation, http://collections.ingeniumcanada.org/en/id/1988.0937.001/

FEEDBACK

Submit a question or comment about this artifact.