Gyrotheodolite

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Ingenium, 1990.0284.001
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OBJECT TYPE
RIBBON IN AIR/MEDIUM ACCURACY
DATE
1975
ARTIFACT NUMBER
1990.0284.001
MANUFACTURER
MOM
MODEL
GI-B1
LOCATION
Budapest, Hungary

More Information


General Information

Serial #
132401
Part Number
1
Total Parts
1
AKA
N/A
Patents
N/A
General Description
ALL METAL CONSTRUCTION, EXCLUDING GLASS OPTICS & MINOR SYNTHETIC FITTINGS. METALS USED INCLUDE BRASS & ALUMINUM/ WOODEN CASE; METAL HARDWARE INCLUDES SUPPORTING COLLARS, SPRINGS & CLASPS; FOAM, FELT & LEATHER PADDING & SUPPORTS

Dimensions

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

Length
40.0 cm
Width
40.0 cm
Height
70.0 cm
Thickness
N/A
Weight
N/A
Diameter
N/A
Volume
N/A

Lexicon

Group
Exploration and Survey
Category
Measurement-direction
Sub-Category
N/A

Manufacturer

AKA
MOM
Country
Hungary
State/Province
Unknown
City
Budapest

Context

Country
Canada
State/Province
Unknown
Period
THIS TYPE OF INSTRUMENT USED C.1975 TO PRESENT
Canada
BASED ON LABELLING OF CASE, THIS INSTRUMENT WAS USED BY CANADIAN SECTION OF INTERNATIONAL BOUNDARY COMMISSION.
Function
USED TO DETERMINE TRUE NORTH AT A SURVEY STATION WITHOUT TAKING STAR OR SUN OBSERVATIONS.
Technical
MORE ACCURATE THAN MAGNETIC ORIENTATION & FASTER THAN ASTRONOMICAL AZIMUTH DETERMINATION. IDEAL FOR DIRECTIONAL ORIENTATION OF LONG/OPEN TRAVERSES; ORIENTATION & DIRECTION TRANSFER IN MINING;AND DIRECTION MEASUREMENTS IN ENGINEERING SURVEYS. IN 1990S RELIANCE ON SATELLITE GEODESY HAS MADE GYROTHEODOLITE A MUSEUM-PIECE.
Area Notes
Unknown

Details

Markings
PLATE SCREWED TO INSTRUMENT READS 'Gi-B1/ 132401/ 360o'/ METAL PLATE ON BOX TOP FRONT READS: 'Gi-B1/ 360o/ 132401'/ LABELS ON BOX FRONT, BACK & TOP READ: 'FROM/ INTERNATIONAL BOUNDARY COMMISSION/ CANADIAN SECTION/ OTTAWA, CANADA/ K1A 0E9/ Mr. Dale W. Dryden/ Box 1,/ Florenceville, N.B./ EOJ 1K0/ HOLD FOR PICKUP'; ALSO FRENCH TEXT. CASE ALSO BEARS LABELS 'SCIENTIFIC/ INSTRUMENT/ WITH CARE', AND PACIFIC WESTERN & AIR CANADA LABELS. '200' INCISED ON INSIDE BACK EDGE/ METAL PLATE ON BOX TOP FRONT READS
Missing
CURRENT CONVERTER & CABLES; TRIPOD
Finish
GREEN-GREY WRINKLE-TEXTURED FINISH ON MOST SURFACES; POLISHED ALUMINUM & BLACK PAINTED ADJUSTMENT KNOBS & FITTINGS/ WOODEN BASE PAINTED GREY
Decoration
N/A

CITE THIS OBJECT

If you choose to share our information about this collection object, please cite:

MOM, Gyrotheodolite, circa 1975, Artifact no. 1990.0284, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1990.0284.001/

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