Renseignements généraux

Nº de série

1005

Nº de partie

1

Nombre total de parties

4

Ou

S/O

Brevets

S/O

Description générale

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

Dimensions

Remarque : Cette information reflète la taille générale pour l’entreposage et ne représente pas nécessairement les véritables dimensions de l’objet.

Longueur

36,0 cm

Largeur

15,6 cm

Hauteur

22,4 cm

Épaisseur

S/O

Poids

S/O

Diamètre

S/O

Volume

S/O

Lexique

Groupe

Mines et métallurgie

Catégorie

Exploration minière

Sous-catégorie

S/O

Fabricant

Ou

Huntec

Pays

Canada

État/province

Ontario

Ville

Toronto

Contexte

Pays

Canada

État/province

Québec

Période

Inconnu

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.

Fonction

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.

Technique

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.

Notes sur la région

Inconnu

Détails

Marques

.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"

Manque

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

Fini

.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

Décoration

.4 RED MFR.'S LOGO ON TOP