General Information

Serial #

126718

Part Number

1

Total Parts

1

AKA

N/A

Patents

N/A

General Description

SILVER METAL CASING (ALUMINUM OR ALUMINUM ALLOY)/ SILVER METAL FACE/ METAL WORKS/ BEVELED EDGE GLASS FACE

Dimensions

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

Length

13.5 cm

Width

10.5 cm

Height

4.2 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

Short Mason

Country

England

State/Province

Unknown

City

London

Context

Country

Canada

State/Province

Yukon

Period

Unknown

Canada

Used by H.F. Lambart of the Geodetic Survey of Canada for the 1925 Mount Logan expedition - the first expedition to the top of Canada's Highest Mountain. The barometer was originally part of the Topographical Survey Collection.

Function

AN INSTRUMENT WHICH MEASURES ATMOSPHERIC PRESSURE THROUGH ITS EFFECT ON AN ANEROID, A METAL CHAMBER PARTIALLY EVACUATED OF AIR, AT A GIVEN ALTITUDE.

Technical

Specially designed instrument for the 1925 Mount Logan expedition. Research undertaing during this expidition led to the refinement of aneroid barometers and informed the development of the Dominion Land Survey (D.L.S) aneroid barometer.

Area Notes

Unknown

Details

Markings

FOLLOWING INFO. APPEARS ON DIAL: 'COMPENSATED/ FOR/ TEMPERATURE'/ 'THE HUGHES-OWENS CO. LTD./ MONTREAL. TORONTO./ WINNIPEG & OTTAWA./ [SYMBOL]/ LONDON/ TYCOS/ MADE IN ENGLAND'/ 'SERIAL/ No/ 126718' PRINTED ON WHITE ADHESIVE LABEL ON CASING BACK

Missing

NON EVIDENT From CA of 11/15/1993 by Tony Missio: No - Complete

Finish

POLISHED FLAT SILVER-COLOUR FINISH ON CASING/ SILVER DIAL; BLACKPAINT/ BLUED METAL NEEDLE

Decoration

GRADUATED SCALES OF 0-22,000 FT. AND 14-31 IN. PRINTED IN BLACK ON DIAL