General Information

Serial #

N/A

Part Number

1

Total Parts

1

AKA

N/A

Patents

N/A

General Description

METAL/ SYNTHETIC

Dimensions

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

Length

67.7 cm

Width

12.2 cm

Height

72.0 cm

Thickness

N/A

Weight

N/A

Diameter

N/A

Volume

N/A

Lexicon

Group

Meteorology

Category

Surface wind speed & direction measurement

Sub-Category

N/A

Manufacturer

AKA

Environment CA

Country

Canada

State/Province

Unknown

City

Unknown

Context

Country

Canada

State/Province

Unknown

Period

AFTER LATE 1960'S UNTIL AT LEAST 1980'S.

Canada

THE THREE CUP ANEMOMETER WAS DESIGNED BY CANADIAN METEOROLOGIST JOHN PATTERSON OF THE CANADIAN METEOROLOGICAL SERVICE IN THE 1920'S; SUCCESSIVE VERSIONS OF THIS CANADIAN ANEMOMETER WERE USED BY THE CANADIAN SERVICE FOR DECADES.

Function

AN INSTRUMENT THAT MEASURES WIND SPEED & DIRECTION BY MEANS OF A CUPWHEEL & WIND VANE RESPECTIVELY, WITH THE READINGS RECORDED BY A SEPARATE ANEMOGRAPH & INDICATED ON A SEPARATE FLASHING LIGHT INDICATOR.

Technical

THE 1980'S VERSION OF THE PATTERSON ANEMOVANE DEVELOPED C. 1930 (SEE 890099); IT IS VERY SIMILAR IN FORM & CONSTRUCTION TO ITS PREDECESSORS BUT HAS MODIFIED WIND SPEED &DIRECTION ELECTRICAL CONTACT SYSTEMS TO CONVEY DATA TO AN ANEMOVANE & A FLASHING LIGHT INDICATOR.

Area Notes

Unknown

Details

Markings

N/A

Missing

CUPWHEEL ASSEMBLY, VANE. From CA of 12/06/1993 by Tony Missio: Yes

Finish

GREY METAL/ ALUMINUM VANE/ BLUE PAINTED ARROW/ BLACK PARTS/ BROWN SYNTHETIC WIRING

Decoration

N/A