Tellurometer
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1990.0285.001
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- OBJECT TYPE
- REMOTE
- DATE
- 1963–1973
- ARTIFACT NUMBER
- 1990.0285.001
- MANUFACTURER
- TELLUROMETER (PTY) LTD.
- MODEL
- MRA 3
- LOCATION
- Cape Town, South Africa
More Information
General Information
- Serial #
- 1612
- Part Number
- 1
- Total Parts
- 9
- AKA
- N/A
- Patents
- N/A
- General Description
- CONSTRUCTED PRIMARILY OF METAL, WITH METAL, SYNTHETIC & GLASS COMPONENT PARTS. CANVAS CASES FOR.1 &.5 HAVE METAL CLIPS & BUCKLES, AND LEATHER REINFORCED CORNERS ETC..1 &.5 UNITS ALSO HAVE LEATHER HANDLES.
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 32.0 cm
- Width
- 31.0 cm
- Height
- 35.0 cm
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Exploration and Survey
- Category
- Measurement-distance
- Sub-Category
- N/A
Manufacturer
- AKA
- TELLUROMETER
- Country
- South Africa
- State/Province
- Unknown
- City
- Cape Town
Context
- Country
- Canada
- State/Province
- Unknown
- Period
- THIS TELLUROMETER EQ. USED FROM 1963 TO C.MID 1970S
- Canada
-
USED BY GEODETIC SURVEY OF CANADA ON SURVEYS CONDUCTED THROUGHOUT CANADA C.1963-1970S. TELLUROMETER TRAVERSES BECAME STANDARD SURVEYING METHOD FOR MAPPING CANADIAN ARCTIC: WITHOUT IT, MAPPING OF NORTH WOULD BE DECADES BEHIND CURRENT STATUS (C. 1990) - Function
-
TO MEASURE HORIZONTAL DISTANCES BY TIMING THE PASSAGE OF RADIO WAVES - Technical
-
MRA-3 REPRESENTED SEVERAL IMPORTANT ADVANCES IN TELLUROMETER'S DEVELOPING TECHNOLOGY. AT 35LBS IT WEIGHED LESS THAN HALF OF THE MRA-1. IT FEATURED BUILT-IN POWER PACK & BATTERY UNITS, A SELF-CONTAINED INSTRUMENT PANEL & ANTENNA, AND FULLY TRANSISTORIZED WORKS. - Area Notes
-
Unknown
Details
- Markings
- .1 OVAL PLATE SCREWED TO CASING TOP READS: 'MICRO-DISTANCER/ TELLUORMETER/ MADE IN SOUTH AFRICA/ BY:-TELLUROMETER (PTY) LTD. CAPE TOWN' & FEATURES GLOBE & LIGHTNING BOLT LOGO/ DECAL BELOW HANDLE READS: 'PLESSEY/ [LOGO]/ GROUP/ [TELLUROMETER LOGO]/ TELLUROMETER/ CANADA LIMITED/ OTTAWA, CANADA'/ PLATE, ABOVE, READS: 'MODEL MRA 3/ SER. NO. 1476/ MOD. RECORD/ [1-5 & 8-11 FLAGGED]. ALL CONTROLS LABELLED; 'Tellurometer' APPEARS IN RAISED PRINT ON INSTRUMENT PANEL FRONT/ DECAL ON INSIDE COVER LISTS PATENTS- SEE PAT REFERENCES FOR COMPLETE TEXT/ '1476' HANDWRITTEN IN BLACK MARKER ON CASING FRONT/ 'ROANWELL' CAST IN RAISED PRINT ON HEADSET; *
- Missing
- NONE EVIDENT - APPEARS COMPLETE. .1PT CASE NOT ORIGINAL - BEARS HANDWRITTEN SN '1722', .2 HEADSETS ALSO NOT ORIGINAL - MARKED '#1088'
- Finish
- .1 &.5 HAVE OLIVE GREEN PEBBLED-TEXTURED CASINGS;.5 HAS SLIGHTLY DARKER, SMOOTHER FINISH & BLACK ANTENNA DOME..1PT &.5PT CASES ARE DRAB-GREEN CANVAS;.2-.6 HEADSETS & BATTERY LEADS PREDOMINANTLY BLACK
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
TELLUROMETER (PTY) LTD., Tellurometer, circa 1963–1973, Artifact no. 1990.0285, Ingenium – Canada’s Museums of Science and Innovation, http://collections.ingeniumcanada.org/en/item/1990.0285.001/
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