General Information

Serial #

N/A

Part Number

1

Total Parts

2

AKA

N/A

Patents

N/A

General Description

METAL CASING & WORKING PARTS/ GLASS TUBES & OPTICAL COMPONENTS/ ALCOHOL/ WOOD BOX WITH METAL HARDWARE/ CANVAS & LEATHER COVERED CARRYING CASE WITH METAL HARDWARE, FELT-LIKE LINING

Dimensions

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

Length

24.0 cm

Width

19.0 cm

Height

32.5 cm

Thickness

N/A

Weight

N/A

Diameter

N/A

Volume

N/A

Lexicon

Group

Mining and Metallurgy

Category

Mineral exploration

Sub-Category

N/A

Manufacturer

AKA

Sharpe

Country

Canada

State/Province

Ontario

City

Toronto

Context

Country

Unknown

State/Province

Unknown

Period

1950S TO 1990S

Canada

CANADIAN MADE INSTRUMENT, ONE OF COLLECTION OF USED BY PROF. M.K. SEGUIN WHILE IN GEOLOGY DEPT. OF U. OF LAVAL, QUEBEC DURING 1960S TO CA. 1990. THEY WERE ACQUIRED BY SEGUIN TO SUPPORT CONTRACT RESEARCH, & AS TEACHING APPARATUS FOR HIS GRAD STUDENTS & TEACHING AIDS FOR UNDERGRAD GEOLOGY STUDENTS AT LAVAL CA.1960-1995.

Function

INSTRUMENT USED IN GEOPHYSICAL EXPLORATION TO MEASURE THE VERTICAL COMPONENT OF THE EARTH'S MAGNETIC FIELD.

Technical

THIS MAGNETOMETER DESIGN WAS BASED ON DUAL MAGNETIZED-BLADES, BALANCED ON A QUARTZ KNIFE-EDGE; THEY WERE GENERALLY USED BETWEEN 1945 & 1960. THE MEASURING PRECISION OF THIS INSTRUMENT IS CLAIMED TO BE ABOUT 20 NT.

Area Notes

Unknown

Details

Markings

RED & GOLD COLOURED PLATE ON BOX LID READS "SHARPE INSTRUMENTS" & "TORONTO/ CANADA"

Missing

APPEARS COMPLETE From CA of 11/22/2001 by Matthew Bruce: Yes - empty slots in .001 case indicate missing parts

Finish

GLOSSY GREEN PAINTED CASING WITH BRASS COLOURED PARTS, COLOURLESS TRANSPARENT GLASS & ALCOHOL, BLACK SYNTHETIC/ BROWN STAINED & COATED BOX WITH BRASS COLOURED HARDWARE/ CARRYING CASE OF LIGHT BROWN CANVAS, DARK BROWN LEATHER, PLATED HARDWARE, BLACK LINING

Decoration

N/A