Recorder, sunshine

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Ingenium, 1987.0747.001
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OBJECT TYPE: BURNING GLASS/CAMPBELL-STOKES
DATE: Unknown
ARTIFACT NUMBER: 1987.0747.001

MANUFACTURER: Casella
MODEL: Unknown
LOCATION: London, England

More Information

General Information

Serial #: 1836
Part Number: 1
Total Parts: 2
AKA: N/A
Patents: N/A
General Description: ALL METAL.

Dimensions

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

Length: 22.5 cm
Width: 21.0 cm
Height: 11.6 cm
Thickness: N/A
Weight: N/A
Diameter: N/A
Volume: N/A

Lexicon

Group: Meteorology
Category: Sunshine intensity & duration measurement
Sub-Category: N/A

Manufacturer

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

Context

Country: Unknown
State/Province: Unknown
Period: Unknown
Canada: TYPE OF SUNSHINE RECORDER USED BY CANADIAN METEOROLOGICAL SERVICE IN CANADIAN CLIMATE STUDIES; CAMPBELL-STOKES RECORDERS HAVE BEEN USED IN CANADA SINCE AT LEAST THE 1920'S.
Function: AN INSTRUMENT FOR MEASURING THE DURATION OF SUNSHINE IN WHICH THE SUN'S RAYS, COLLECTED BY A SPHERE OF OPTICAL GLASS, BURN A TRACK IN A SPECIALLY PREPARED CARD.
Technical: THE CAMPBELL-STOKES RECORDER IS BASICALLY A RECORDING SUNDIAL, INVENTED IN 1853 AND ADAPTED TO USE PAPER CHARTS IN 1879. LATER, A MEANS OF ADJUSTING FOR LATITUDE WAS ADDED. THIS APPEARS TO BE AN ORDINARY CAMPBELL-STOKES RECORDER, WITH LATITUDE ADJUSTMENT BUT NO UPPER SPHERE SUPPORT.
Area Notes: Unknown

Details

Markings: Incised lettering on base reading 'CASELLA/ LONDON' & 'NO. 1836'/ incised scale marked 45 to 65.
Missing: GLASSSPHERE, PARTS; BRACKET IS DETACHED. From CA of 12/15/1993 by Tony Missio: Yes - missing glass sphere
Finish: BLACK ENAMELLED? STAND/ GREEN PAINTED BASE
Decoration: N/A

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

Casella, Recorder, sunshine, Unknown Date, Artifact no. 1987.0747, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1987.0747.001/

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