General Information

Serial #

N/A

Part Number

1

Total Parts

2

AKA

N/A

Patents

N/A

General Description

LEATHER? CASE WITH METAL HARDWARE/ METAL CASING/ METAL & SYNTHETIC CONTROLS/ SYNTHETIC METER CASING

Dimensions

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

Length

21.0 cm

Width

11.0 cm

Height

18.6 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

McPhar

Country

Canada

State/Province

Ontario

City

Willowdale

Context

Country

Canada

State/Province

Quebec

Period

1970S-1980S

Canada

ONE OF COLLECTION OF INSTRUMENTS 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 IDENTIFY GAMMA RADIATION EMANATING FROM K (POTASSIUM), U (URANIUM) & TH (THORIUM) SOURCES IN THE FORM OF RADIOACTIVE MINERALS.

Technical

WITH THE GROWING INTEREST AND RESEARCH IN RADIOACTIVITY THIS METHOD OF EXPLORATION GAINEDCONSIDERABLE IMPORTANCE IN THE MID-1940S. BESIDES PORTABLE MODELS SUCH AS THIS ONE, THERE WERE OTHER LARGER UNITS WIDELY USED IN AERIAL SURVEYS IN SEARCH OF RADIOACTIVE MINERAL DEPOSITS. THESE G-RAY SPECTROMETERS WERE USED IN CANADIAN APPLICATIONS DURING 1970S & 1980S.

Area Notes

Unknown

Details

Markings

BLACK & SILVER LOGO ON CASE READS "McPHAR"/ BLACK LETTERING ON GREY METAL? PLATE READS "GAMMA RAY/ SPECTROMETER/ MODEL TV-5"/ BLACK LETTERING ON METER FACE READS "McPHAR"/ BLACK & RED LETTERING FOR CONTROL FUNCTIONS/ BLACK & RED METER SCALE/ HAND PRINTED RED LETTERING ON CASE INTERIOR READS "Attention/ L'instrument ne doit jamais etre mis en marche/ tant que la sonde n'est pas connectee./ Attendre au moins une minute apres l'arret avant de disconnecter la sonde."

Missing

APPEARS COMPLETE From CA of 11/06/2001 by Matthew Bruce: No - Complete

Finish

MEDIUM GREY CASE/ LIGHT GREY CASING/ BLACK & WHITE SYNTHETIC PARTS/ PLATED & METALLIC PARTS/ BLACK METER CASING, COLOURLESS TRANSPARENT METER COVER WITH WHITE METER FACE

Decoration

N/A