General Information

Serial #

5480

Part Number

1

Total Parts

4

AKA

N/A

Patents

N/A

General Description

NON-FERROUS METAL, INCLUDING BRASS/ GLASS SPHERE/ CARDBOARD CHART

Dimensions

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

Length

19.5 cm

Width

16.0 cm

Height

21.7 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

Canada

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 & FOCUSSED 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, ADAPTED FOR A PAPER CHART IN 1859, LATER GAINING AMEANS OF LATITUDE ADJUSTMENT. THIS ONE IS VERY SIMILAR TO CASELLA RECORDER IN M.S.C. 1966 & 1974 MANUALS & IN CASELLA'S 1958 CATALOGUE (SUPP. INFO.)

Area Notes

Unknown

Details

Markings

PLATE ON SIDE READING 'CASELLA/ LONDON MADE IN ENGLAND/ 5480'/ BLACK INCISED SCALE FOR 0 TO 65 DEGREES LATITUDE/ INCISED WHITE LETTERING ON FRAME READING "MK III C 45-65" / WHITE LETTERING ON CHART READS "EQUINOXES 01 MAR - 11 APR AND 03 SEPT - 14 OCT AES 006309626 SEA EQUINOXES 01 MAR - 11 AVR ET 03 SEP - 14 OCT"

Missing

One mounting screw in secondary base.

Finish

BLACK PAINTED BASE AND PARTS/ BRASS COLOURED PARTS/ CLEAR COLOURLESS GLASS/ GREEN CHART

Decoration

N/A