General Information

Serial #

C75627

Part Number

1

Total Parts

1

AKA

N/A

Patents

N/A

General Description

CARDBOARD CASING/ METAL AND SYNTHETIC MECHANISM, INCLUDING GOLDBEATER'S SKIN (ANIMAL INTESTINE)/ STYROFOAM CASING FOR RADIO TRANSMITTER/ CARDBOARD BOX

Dimensions

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

Length

29.0 cm

Width

28.0 cm

Height

18.0 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

Canada

State/Province

Unknown

Period

LATE 1950'S

Canada

ONE OF A SERIES OF TIME-CYCLE RADIOSONDES DEVELOPED BY THE CANADIAN METEOROLOGICAL SERVICE & MADE BY THECANADIAN COMPANY SANGAMO. THE FIRST WAS DEVELOPED BY R. JACOBSEN IN THE LATE 1930'S OR 1940'S. THIS ONE MAY REPRESENT THE MSC TYPE 3 RADIOSONDE INTRODUCED IN 1957.

Function

DEVICE LIFTED BY BALLOON INTO UPPER ATMOSPHERE TO READ TEMPERATURE, HUMIDITY, & AIR PRESSURE & TRANSMIT DATA TO EARTH. WIND SPEED & DIRECTION CAN BE DETERMINED BY TRACKING RADIOSONDE.

Technical

THIS APPEARS TO BE THE VERSION OF THE CANADIAN TIMECYCLE RADIOSONDE IN USE C. 1957, HAVING ANEROID PRESSURE & GOLDBEATER'S SKIN HUMIDITY SENSORS & 2 FLAT BIMETAL TEMPERATURE SENSORS. THE SIGNAL MECHANISM IS A FLAT ROTATING DISK WITH GROOVES CUT IN IT, OVER WHICH RIDES 4 SENSOR & 1 REFERENCE CONTACT ARMS.

Area Notes

Unknown

Details

Markings

Plate in instrument compartment reads 'PROPERTY OF/ CANADIAN METEOROLOGICAL SERVICE/ NO. C75627' & 'SANGAMO/ COMPANY LIMITED/ LEASIDE CANADA'/ '11015' incised on edge of instrument chassis/ black handwritten lettering on exterior reading 'DEMONSTRATOR', 'PRESSURE,/ TEMPERATURE/ & HUMIDITY/ INSTRUMENTS' & 'RADIO TRANSMITTER'

Missing

BATTERIES From CA of 10/19/1993 by Tony Missio: Undetermined

Finish

BROWN CARDBOARD/ METALLIC WORKING PARTS/ MULTICOLOURED SYNTHETIC/ WHITE STYROFOAM

Decoration

N/A