General Information

Serial #

F69 018

Part Number

1

Total Parts

1

AKA

N/A

Patents

N/A

General Description

NON-FERROUS METAL CASING & OUTER TUBE WITH METAL PARTS/ GLASS TUBE, OPTICAL COMPONENTS & THERMOMETER TUBE/ SYNTHETIC SCALE COVER/ MERCURY IN BAROMETER & THERMOMETER TUBES

Dimensions

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

Length

7.0 cm

Width

5.6 cm

Height

107.0 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

MSC

Country

Canada

State/Province

Unknown

City

Unknown

Context

Country

Canada

State/Province

Unknown

Period

LATE 1960S +

Canada

SPECIALIZED VERSION OF CANADIAN METEOROLOGICAL SERVICE STANDARD FORTIN TYPE BAROMETER, DESIGNED & MADE IN CANADA. THIS EXAMPLE IS LATE1960S VERSION OF INSPECTION BAROMETER SHOWN IN 1954 MSC MANUAL, HAVING SINGLE WINDOW IN CISTERN TO ILLUMINATE POINT. SEE EARLIER MSC INSPECTION BAROMETERS 1987.0545 & 1993.0035.

Function

INSTRUMENT THAT MEASURES ATMOSPHERIC PRESSURE BY MEANS OF ITS EFFECT ON COLUMN OF MERCURY. THIS TYPE OF BAROMETER WAS 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 870 TO 1100 MB, & READING "F-69/ 018"/ WHITE "[DEGREES] F." ON THERMOMETER CASING/ INCISED BLACK MARKINGS & LETTERING ON THERMOMETER TUBE FOR 10 TO 120 F. & READING IN PART "??69"/ GREY LABELS READ "TRUE MILLIBARS/ 0 [DEGREES] AND 980.665 CM./SEC.[SQUARED]" & "Environment/ Canada/ Atmospheric/ Environment" & "Environnement/ Canada/ Environnement/ atmospherique"

Missing

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

Finish

GLOSSY GREEN PAINTED EXTERIOR/ GREY SCALE TUBE/ BLACK PAINTED BASE, THERMOMETER CASING & PARTS/ PLATED & BRUSHED PARTS/ YELLOW BACKED THERMOMETER/ COLOURLESS TRANSPARENT GLASS & SYNTHETIC

Decoration

N/A