General Information

Serial #

N/A

Part Number

1

Total Parts

1

AKA

N/A

Patents

N/A

General Description

WOOD BASE (REPRODUCTION)/METALS, INCLUDING BRASS & ALUMINUM/ SYNTHETIC COVERING ON ANEMOMETER MECHANISM.

Dimensions

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

Length

68.5 cm

Width

36.0 cm

Height

79.0 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

1930'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

A SLIGHTLY LATER VERSION OF THE PATTERSON ANEMOVANE THAN THE ORIGINAL (SEE 890099), WITH VIRTUALLY THE SAME INTERNAL ELECTRICAL CONTACT SYSTEM FOR THE ANEMOGRAPH, BUT ELABORATED BY THE ADDITION OF A 2ND SYSTEM OF CONTACTS TO CONVEY WIND DIRECTION & SPEED DATA TO A FLASHING LIGHT INDICATOR.

Area Notes

Unknown

Details

Markings

Anemometer casing stamped '27/39/16'.

Missing

From CA of 11/16/1993 by Tony Missio: Undetermined

Finish

ANEMOMETER BASE, POST, & ARROW PAINTED BLACK/ ANEMOMETER CASING, SHAFT, & VANE PAINTED SILVER-GREY/ BRASS COLOURED CUPS/ WOOD STAINED BROWN & VARNISHED/ CLEAR, COLOURLESS SYNTHETIC.

Decoration

N/A