Gyrotheodolite
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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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