Renseignements généraux

Nº de série

23 (.1)

Nº de partie

1

Nombre total de parties

6

Ou

S/O

Brevets

S/O

Description générale

MASTER & REMOTE UNITS PRIMARILY METAL, WITH GLASS & SYNTHETIC COMPONENT PARTS; LEATHER CARRYING HANDLES. HANDSETS ARE SYNTHETIC, WITH METAL CANNON CONNECTORS. BATTERY LEADS HAVE METAL & SYNTHETIC COMPONENTS. METAL CASES HAVE LEATHER HANDLES & CARRYING STRAPS. RUBBER OR SYNTHETIC VIEWING HOODS SUPPLIED FOR.1 &.4

Dimensions

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

Longueur

48,0 cm

Largeur

44,0 cm

Hauteur

45,5 cm

Épaisseur

S/O

Poids

S/O

Diamètre

S/O

Volume

S/O

Lexique

Groupe

Exploration et levé

Catégorie

Mesure-distance

Sous-catégorie

S/O

Fabricant

Ou

TELLUROMETER

Pays

Afrique du Sud

État/province

Inconnu

Ville

Le Cap

Contexte

Pays

Canada

État/province

Inconnu

Période

THIS TYPE OF INSTRUMENT USED C.1957 - EARLY 1960S AND POSSIBLY LATER. MRA2 INTRODUCED IN C.1960

Canada

TELLUROMETER QUICKLYEMBRACED BY CANADIAN SURVEYORS, AND USED EXTENSIVELY ON GOV'T SURVEYS THROUGHOUT CANADA. THE USE OF TELLUROMETRY DRASTICALLY REDUCED TIME, LABOUR & COSTS IN SURVEYS CONDUCTED IN THE MOUNTAINOUS AREAS OF THE CANADIAN NORTHWEST AND FAR NORTH. CANADIAN SURVEYORS AMONG FIRST TO USE & ADVOCATE USE OF TELLUR

Fonction

USED TO MEASURE DISTANCE BY TIMING PASSAGE OF RADIO WAVES SENT FROM MASTER SET AT ONE END OF LINE SURVEYED TO REMOTE SET AT OTHER END, AND SIGNAL RETURNED TO MASTER.

Technique

TELLUROMETER FIRST FULLY PORTABLE INST. CAPABLE OF MEASURING DISTANCES BETWEEN POINTS BY MEANS OF RADIO MICROWAVES. MRA1 OFFERED PRECISE MEASUREMENT FROM 500FT - 35MI, ACCURATE TO 3 PARTS PER MILLION +/- 2". UNLIKE EARLIEST VERSIONS, MRA1 COULD BE USED DAY OR NIGHT, IN FAIR OR FOGGY CONDITIONS.

Notes sur la région

Inconnu

Détails

Marques

'M.T 4' STENCILLED IN RED ON UNITTOP. OVAL PLATE WITH GLOBE & LIGHTNING BOLT LOGO AND TEXT: 'MASTER/ TELLUROMETER/ MICRO-DISTANCER/ MODEL M/RA1 - SERIAL NO. MA 23' SCREWED TO TOP. DECAL ON FRONT OF INSTRUMENT PANEL READS: '[LOGO]/ PLESSEY/ [LOGO]/ GROUP/ TELLUROMETER/ CANADA LIMITED/ OTTAWA, CANADA'. ALL CONTROLS LABELLED. 'Se #M23' HANDWRITTEN IN BLACK MARKER ON UNIT FRONT, '73' STAMPED INTO EACH SIDE OF ANTENNA HORN/.1PT CASE HAS COLOURED DECAL ON CASE FRONT MARKED: 'TELLUROMETER/ TRADE/MARK/ [LOGO]/ Micro-Distancer'

Manque

TELLUROMETERS COMPLETE: REQUIRE TRIPODS & BATTERY-PACKS TO OPERATE. FIELD CHECKED DEC. 30, 1969 BY TELLUROMETER & TESTED OPERABLE.

Fini

MASTER & REMOTE UNITS & CARRYING CASES HAVE SMOOTH GREEN FINISH; DARK GREEN & BLACK CONTRASTS. BLACK HANDSETS & VIEWING HOODS ARE BLACK WITH RECESSED CROSS-HATCHED PATTERN ON SLEEVE & RED EDGING ON EYEPIECE END.

Décoration

NONE