Hygrothermograph

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OBJECT TYPE: HAIR-BIMETAL/INTERNAL
DATE: 1970
ARTIFACT NUMBER: 1989.0094.001

MANUFACTURER: Lambrecht, Wilh. KG
MODEL: 252
LOCATION: Göttingen, Germany

More Information

General Information

Serial #: 380009
Part Number: 1
Total Parts: 1
AKA: N/A
Patents: N/A
General Description: Metal casing, bimetal protector, working parts/ glass windows/chair/rubber feet/paper chart.

Dimensions

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

Length: 29.2 cm
Width: 15.1 cm
Height: 26.1 cm
Thickness: N/A
Weight: N/A
Diameter: N/A
Volume: N/A

Lexicon

Group: Meteorology
Category: Combination instruments
Sub-Category: N/A

Manufacturer

AKA: Lambrecht
Country: Germany
State/Province: Unknown
City: Göttingen

Context

Country: Canada
State/Province: Unknown
Period: 1970's to 1980's
Canada: A German made thermograph of the type used by the Canadian meteorological service at its observatories.
Function: An instrument that measures and records atmospheric humidity and temperature by means of their effect on a hair bundle humidity sensor & bimetaltemperature sensor respectively. The instrument is usually mounted in a Stevenson instrument screen.
Technical: An instrument with internal sensors formed by a vertical hair bundle & a circular bimetallic 'leaf'. The Canadian service was using an unknown Lambrecht hygrothermograph (possibly this one) in the 1960's & the model 252 was in use until at least 1989.
Area Notes: Unknown

Details

Markings: Interior decal reading 'Wilh. Lambrecht KG Gottingen/Type 252/Nr. 380009/Schreibstr. 82th/350-45, 100-0'/decal on exterior top reading 'ATMOSPHERIC ENVIRONMENT/SERVICE/HYDROMET RESEARCH'.
Missing: From CA of 11/30/1993 by Tony Missio: Undetermined - may be missing counter weights from pen arm mechanism
Finish: White enamel painted casing andmount/plated and metallicparts/gold coloured drum/red painted screw/black rubber.
Decoration: N/A

CITE THIS OBJECT

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

Lambrecht, Wilh. KG, Hygrothermograph, circa 1970, Artifact no. 1989.0094, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1989.0094.001/

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