General Information

Serial #

1005

Part Number

1

Total Parts

4

AKA

N/A

Patents

N/A

General Description

METAL CASINGS & PARTS/ SYNTHETIC CONTROLS, METER CASING, PARTS

Dimensions

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

Length

36.0 cm

Width

15.6 cm

Height

22.4 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

Huntec

Country

Canada

State/Province

Ontario

City

Toronto

Context

Country

Canada

State/Province

Quebec

Period

Unknown

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 WHICH USES ELECTRODES WITH TIME-VARYING CURRENTS & VOLTAGES TO MAP THE VARIATION OF ELECTRICAL PERMITTIVITY (DIELECTRIC CONSTANT) IN THE EARTH IN SEARCH FOR MINERALS. THIS IP EFFECT CAN BE MEASURED IN THE TIME DOMAIN BY OBSERVING THE RATE OF DECAY OF VOLTAGE.

Technical

AN ELECTROMAGNETIC METHOD OF GEOPHYSICAL EXPLORATION THAT CAN PROBE TO SUBSURFACE DEPTHS OF THOUSANDS OF METERS. INDUCED POLARIZATION IS OBSERVED WHEN A STEADY CURRENT INTRODUCED INTO THE GROUND DECAYS SLOWLY, INDICATING THAT CHARGE HAS BEEN STORED IN THE ROCKS. THIS CHARGE IS RESPONSIBLE FOR THE IP EFFECT.

Area Notes

Unknown

Details

Markings

.1 WHITE LETTERING ON COVER READS "HUNTEC/ TORONTO CANADA", "LOPO" & "I.P. TRANSMITTER MK. 3"; WHITE APPLIQUE LETTERING ON CONTROL PANEL READS "LOPO", "I.P. TRANSMITTER MK.3", & "TORONTO HUNTEC CANADA"; INCISED GOLD LETTERING READING "SER 1005"; WHITELETTERING FOR CONTROL FUNCTIONS; PARTIALLY ILLEGIBLE INSTRUCTION PLATE ON SIDE/.2-.3 WHITE LETTERING ON COVER READS "HUNTEC/ TORONTO CANADA", "LOPO" & "I.P. BATTERY UNIT MK. 3"; RED PRINTED INSTRUCTION PLATE INSIDE WITH INCISED RED "SER-1103" ON.2 & "SER. NO. 1151" ON.3 /.4 YELLOW APPLIQUE LETTERING READING "LOPO BATTERY CHARGER" & "HUNTEC/ TORONTO CANADA", WITH INCISED WHITE "SER. 2001"

Missing

UNKNOWN From CA of 11/26/2001 by Matthew Bruce: No - appears complete

Finish

.1-.3 GLOSSY YELLOW PAINTED CASINGS WITH GLOSSY BLACK PAINTED COVERS/.1 BLACK PAINTED INTERIOR PANEL WITH BLACK, RED, GREY & YELLOW SYNTHETIC PARTS; PLATED PARTS; BLACK METER CASING WITH WHITE FACE & COLOURLESS TRANSPARENT WINDOW/.2-.3 BRUSHED METAL INTERIOR PANEL WITH METALLIC PARTS/.4 BLACK PAINTED CASING, BLACK SYNTHETIC PARTS, COLOURLESS TRANSPARENT LIGHTS

Decoration

.4 RED MFR.'S LOGO ON TOP