General Information

Serial #

35419

Part Number

1

Total Parts

1

AKA

N/A

Patents

N/A

General Description

CARDBOARD CASING/ METAL, SYNTHETIC, & GLASS WORKING PARTS/ GOLDBEATER'S SKIN (ANIMAL INTESTINE) HUMIDITY ELEMENT/ CORD

Dimensions

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

Length

15.2 cm

Width

15.2 cm

Height

35.8 cm

Thickness

N/A

Weight

N/A

Diameter

N/A

Volume

N/A

Lexicon

Group

Meteorology

Category

Upper air pressure, temperature & humidity measurement

Sub-Category

N/A

Manufacturer

AKA

Sangamo

Country

Canada

State/Province

Ontario

City

Leaside

Context

Country

Unknown

State/Province

Unknown

Period

Unknown

Canada

ONE OF A SERIES OF TIME-CYCLE RADIOSONDES DEVELOPED BY THE CANADIAN METEOROLOGICALSERVICE & MADE BY THE CANADIAN COMPANY SANGAMO. THE FIRST WAS DEVELOPED BY R. JACOBSEN IN THE LATE 1930'S OR 1940'S.

Function

DEVICE RAISED BY BALLOON INTO UPPER ATMOSPHERE TO READ TEMPERATURE, HUMIDITY, & AIR PRESSURE & TRANSMIT DATA TO EARTH.

Technical

THIS RADIOSONDE APPEARS IDENTICAL TO THE ORIGINAL CANADIAN INSTRUMENT OF THE 1940'S EXCEPT THAT IT HAS A GOLDBEATER'S SKIN HYGROMETER INSTEAD OF A HAIR BUNDLE. THE FORMER WAS INTRODUCED IN 1947. BY 1955 (POSSIBLY AS EARLY AS 1952-1953), A DIFFERENT CASING WAS IN USE, WITH BETTER VENTILATION.

Area Notes

Unknown

Details

Markings

INTERIOR PLATE READING 'PROPERTY OF/ CANADIAN METEOROLOGICAL SERVICE/NO. C 35419/ SANGAMO/ COMPANY LIMITED/ LEASIDE CANADA'/ HANDWRITTEN '35419' ON CASING & PENCILED '1950'S/ EARLY/ CANADIAN/ MET. SER./ AES'

Missing

ANEROID BELLOWS From CA of 10/20/1993 by Tony Missio: Undetermined

Finish

SILVER FOIL COVERED & GREY PAINTED CASING/ BROWN INNER CASING/ MULTICOLOURED SYNTHETIC

Decoration

N/A