General Information

Serial #

2412799

Part Number

1

Total Parts

2

AKA

N/A

Patents

N/A

General Description

GLASS TUBE WITH MERCURY-THALLIUM

Dimensions

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

Length

40.6 cm

Width

N/A

Height

N/A

Thickness

N/A

Weight

N/A

Diameter

N/A

Volume

N/A

Lexicon

Group

Meteorology

Category

Atmospheric temperature measurement

Sub-Category

N/A

Manufacturer

AKA

TAYLOR

Country

United States of America

State/Province

New York

City

Rochester

Context

Country

Unknown

State/Province

Unknown

Period

Unknown

Canada

AN AMERICAN MADE THERMOMETER WITH A CANADIAN METEOROLOIGCAL SERVICE HOLDER, THE LATTER MARKED DOT METEOROLOGICAL DIVISION, INDICATING IT WAS MADE BETWEEN 1936 AND 1956.

Function

AN INSTRUMENT THAT MEASURES LOW AIR TEMPERATURES BY MEANS OF THE EFFECT OF TEMPERATURE ON A COLUMN OF MERCURY-IN-GLASS. THE MERCURY CONTAINS THALLIUM WHICH LOWERS ITS FREEZING POINT FOR USE AT VERY LOW TEMPERATURES.

Technical

AMERCURY-THALLIUM THERMOMETER FOR LOW TEMPERATURES, WITH A CANADIAN METEOROLOGICAL SERVICE HOLDER, BOTH OF THE TYPE ILLUSTRATED IN THE 1952 M.S.C. MANUAL (REF. 1). THE CANADIAN SERVICE BEGAN USING MERCURY-THALLIUM IN 1948-1949; IT FREEZES AT -78 DEGREES F. WHILE MERCURY DOES SO AT -38 DEGREES F.

Area Notes

Unknown

Details

Markings

Black lettering on thermometer back reading 'Taylor Rochester N.Y.U.S.A. ASJM KIN VIS 2412799', with black markings on front for -60 to -30 F. & for ice point checkmark at 32 f.

Missing

From CA of 12/23/1993 by Tony Missio: Yes - missing bushings to hold thermometer

Finish

CLEAR, COLOURLESS GLASS WITH WHITE BACK, PLATED BULB

Decoration

N/A