General Information

Serial #

F20-47

Part Number

1

Total Parts

1

AKA

N/A

Patents

N/A

General Description

NON-FERROUS METAL CASING & OUTER TUBE WITH FERROUS METAL & BRASS PARTS/ GLASS TUBE & LENS/ SYNTHETIC SCALE COVER/ CORK/ MERCURY

Dimensions

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

Length

7.2 cm

Width

5.2 cm

Height

105.0 cm

Thickness

N/A

Weight

N/A

Diameter

N/A

Volume

N/A

Lexicon

Group

Meteorology

Category

Atmospheric pressure measurement

Sub-Category

N/A

Manufacturer

AKA

Environment CA

Country

Canada

State/Province

Unknown

City

Unknown

Context

Country

Canada

State/Province

Unknown

Period

1950'S

Canada

CANADIAN METEOROLOGICAL SERVICE VERSIONOF STANDARD FORTIN TYPE BAROMETER, DESIGNED & MADE IN CANADA FOR USE BY INSPECTORS CHECKING STATION BAROMETERS. THIS EXAMPLE CORRESPONDS TO DESCRIPTION IN 1954 MANUAL, HAVING SINGLE WINDOW IN CISTERN TO ILLUMINATE POINT. SEE EARLIER INSPECTION BAROMETER 870545. THIS CANADIAN METEOROLOGICAL SERVICE INSTRUMENT WAS USED BY ANOTHER GOVERNMENT DEPT. (EMR).

Function

AN INSTRUMENT THAT MEASURES ATMOSPHERIC PRESSURE BY MEANS OF ITS EFFECT ON A COLUMN OF MERCURY. THIS TYPE OF BAROMETER WAS NORMALLY USED BY METEOROLOGICAL SERVICE INSPECTORS TO VERIFY STATION BAROMETERS AT METEOROLOGICAL OBSERVING STATIONS.

Technical

IMPROVED VERSION OF FORTIN BAROMETER WITH LEATHER BAG, CISTERN BASE ADJUSTED BY SCREW, BOXWOOD & STEEL CISTERN, LOW POWER VIEWER FOR OBSERVING IVORY POINT ILLUMINATED BY GLASS WINDOW. THIS CONSTRUCTION REDUCED WEIGHT OF INSTRUMENT WHILE MAINTAINING EASE OF SETTING & FACILITATING VERTICAL INSTALLATION.

Area Notes

Unknown

Details

Markings

INCISED BLACK LETTERING ON SCALE FOR 26 TO 32 IN & 87 TO 110 MB, & READING 'M.S.C./ F20-47'/ INCISED BLACK LETTERING ON THERMOMETER MOUNT FOR 10 TO 120 DEGREES F. & READING 'FAHRENHEIT'

Missing

From CA of 04/27/2004 by Sue Warren: No - Complete

Finish

BLACK ENAMEL PAINTED EXTERIOR/ PLATED, BRUSHED, & BRASS COLOURED PARTS/ COLOURLESS GLASS & SYNTHETIC

Decoration

N/A