General Information

Serial #

N/A

Part Number

1

Total Parts

2

AKA

N/A

Patents

N/A

General Description

PRIMARILY METAL, WITH GLASS & SYNTHETIC COMPONENT PARTS/.2 WOODEN CRATE HOUSES METAL, RUBBER, GLASS & SYNTHETIC COMPONENT PARTS

Dimensions

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

Length

38.0 cm

Width

37.0 cm

Height

44.0 cm

Thickness

N/A

Weight

N/A

Diameter

N/A

Volume

N/A

Lexicon

Group

Physics

Category

Geophysics

Sub-Category

N/A

Manufacturer

AKA

Atlas

Country

United States of America

State/Province

Texas

City

Houston

Context

Country

Canada

State/Province

Ontario

Period

THIS INSTRUMENT USED BY DOMINION OBSERVATORY STAFF BETWEEN 1946-1947

Canada

USED BY DOMINION OBSERVATORY STAFF ENGAGED IN GRAVITY SURVEYS IN THE CANADIAN SHIELD IN NORTHERN ONTARIO IN 1946-1947. (REF.1,P.170). Used by A.H. Miller (ref. 1, p. 168).

Function

TO MEASURE GRAVITY

Technical

EXAMPLE OF EARLY GRAVITY METER, THE INSTRUMENT WHICH LARGELY REPLACED THE PENDULUM IN GRAVITY MEASUREMENT STUDIES BY C.1930. GRAVITY METERS ALSO USED TO PROVIDE DATA FOR STUDIES RELATED TO CRUSTAL & GEOLOGICAL STRUCTURES, GEODETIC SURVEYING, AND IN MINING AND PETROLEUMFIELD SURVEYS.

Area Notes

Unknown

Details

Markings

MFR'S PLATE SCREWED TO G-METER FRONT READS: 'GRAVIMETER C-24/ ATLAS EXPLORATION CO./ HOUSTON, TEXAS/ MADE IN U.S.A.' GSC EQUIPMENT INVENTORY DECAL, BELOW, READS: 'GR 62022/ DO NOT REMOVE THIS TAG.' MASKING TAPE LABEL WITH HANDWRITTEN TEXT READS: 'OLD INSTRUMENT'. CONTACTS ON AUXILIARY CONTROL PANEL LABELLED VARIOUSLY 'HEAT', 'AMP.MA.', 'STIRRER', 'INST.' & 'THERM.'; METER AT TOP READS: 'MADE IN U.S.A. BY THE TRIPLETT ELEC. INSTR. CO. BLUFFTON, OHIO./ [SCALE- 0-10] D.C. AMPERES/ TRIPLETT/ MODEL 0221-T/ PATENT 2,346,521/ 2,364,724 OTHERS/ PENDING' PT CASE CONTAINING SPARE & REPLACEMENT PARTS MARKED 'ATLAS/ GRAVIMETER/ PARTS'

Missing

GRAVITY METER IS INCOMPLETE: EXTENT OR SPECIFICS OF MISSING PARTS UNKNOWN, AS IS EXTENT TO WHICH ACCOMPANYING PTS COULD BE USED TO REBUILD INSTRUMENT From CA of 02/04/2002 by Matthew Bruce: Undetermined - does not seem complete

Finish

EXTERIOR CASING OF G-METER HAS BROWN WRINKLE-TEXTURED FINISH; 2 LARGE SILVER METAL CARRYING HANDLES MOUNTED ON EITHER SIDE/ PT CASE PAINTED LIGHT GREY

Decoration

N/A