General Information

Serial #

T17472

Part Number

1

Total Parts

1

AKA

N/A

Patents

N/A

General Description

GLASS INNER & OUTER TUBES/ MERCURY/ RUBBER? RING/ WOOD CASE WITH PAPER PADDING

Dimensions

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

Length

43.8 cm

Width

1.9 cm

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

HB

Country

United States of America

State/Province

Pennsylvania

City

Philadelphia

Context

Country

Unknown

State/Province

Unknown

Period

Unknown

Canada

FROM THERMOMETER COLLECTION OF R.C. JACOBSEN OF MSC (C. 1931- 1951). HE TOOK PART IN CANADIAN INTERNATIONAL POLAR YEAR EXPEDITION TO COPPERMINE, NWT (1932); WAS INVOLVED IN DESIGN OF MSC RADIOSONDE IN 1930'S; DESIGNED METEO INSTRUMENTS FOR AIRCRAFT WHICH HE USED TO MAKE OBSERVATIONS OVER LAKE ONTARIO IN HIS OWN PLANE.

Function

INSTRUMENT USED TO MEASURE TEMPERATURE BY MEANS OF ITS EFFECT ON COLUMN OF MERCURY IN GLASS.

Technical

SHEATHED MERCURY THERMOMETER WITH SHORT CYLINDRICAL BULB, MARKED A.S.T.M., INDICATINGTHAT IT WAS GUARANTEED BY MFR. TO CONFORM TO AMERICAN SOCIETY FOR TESTING MATERIALS SPECIFICATIONS. OUTER TUBE SERVED TO PROTECT SCALE ENGRAVED ON INNER TUBE FROM WEAR OR WEATHERING.

Area Notes

Unknown

Details

Markings

BLACK LETTERING ON INNER TUBE READS "A.S.T.M. G.R. T17472" WITH MFR.'S LOGO/ BLACK SCALE MARKINGS FOR -20 TO 102 C./ GREY & BLACK LABEL ON CASE READS "DOUBLE DIAMOND/ H-B [LOGO]/ TRADEMARK REG. U.S. PAT. OFF./ Cat. No -20 +102 C/ H-B INSTRUMENT COMPANY/ PHILADELPHIA. PENNA. U.S.A.", WITH HANDWRITTEN "Sheathed"

Missing

COMPLETE

Finish

COLOURLESS TRANSPARENT GLASS WITH WHITE BACKED INNER TUBE/ METALLIC BULB/ BLACK RUBBER/ UNFINISHED WOOD

Decoration

N/A