Globe
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1995.0947.001
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- OBJECT TYPE
- N/A
- DATE
- 1930
- ARTIFACT NUMBER
- 1995.0947.001
- MANUFACTURER
- Dominion Observatory
- MODEL
- DE LURY
- LOCATION
- Ottawa, Ontario, Canada
More Information
General Information
- Serial #
- PROTOTYPE
- Part Number
- 1
- Total Parts
- 2
- AKA
- N/A
- Patents
- N/A
- General Description
- NICKEL PLATED BRASS OR BRONZE GLOBE, SUPPORTING STRUCTURE & DIVIDED LIMBS; STEEL BASE; BRASS BRACKET; EBONITE KNOBS; SYNTHETIC SCALE
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 38.0 cm
- Width
- 38.0 cm
- Height
- 36.0 cm
- Thickness
- N/A
- Weight
- 24.1
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Astronomy
- Category
- Observing aids
- Sub-Category
- N/A
Manufacturer
- AKA
- Observatory CA
- Country
- Canada
- State/Province
- Ontario
- City
- Ottawa
Context
- Country
- Canada
- State/Province
- Ontario
- Period
- THIS GLOBE USED c. 1930s
- Canada
-
THIS GLOBE WAS MADE FOR USE IN RESEARCH PROGRAMME OF THE DOMINION OBSERVATORY. USED IN PARTICULAR BY DR. RALPH E. DE LURY (1881-1956) [AS PER R.C. BROOKS] - Function
-
Used for reading heliographic positions of observed positions on the sun. [Ref. 4] - Technical
-
UNIQUE APPARATUS, CONSTRUCTED BY DOMINION OBSERVATORY SHOPS, AND USED IN RESEARCH PROJECT TO DETERMINE RATE OF SOLAR ROTATION. DE LURY'S THEORY THAT SKY SPECTRUM/ATMOSPHERIC HAZE CONTRIBUTED TO DIFFERENCES IN SOLAR ROTATION VALUES WAS NOT WELL ACCEPTED, AND HIS PROFESSIONAL REPUTATION SUFFERED AS A RESULT (REFS.1 & 2). - Area Notes
-
Unknown
Details
- Markings
- GLOBE DIVIDED BY 1-DEGREE INCREMENTS IN LATITUDE, AND 2-DEGREE INCREMENTS IN LONGITUDE. HORIZONTAL CIRCLE DIVIDED 0-360 BY SINGLE DEGREES; VERTICAL ARCS DIVIDED 0-85+, BY SINGLE DEGREES. MOVING SCALE, WHICH IS POSITIONED OVER GLOBE BUT BENEATH ARC DIVIDED +20 TO 160+ AND +160 TO +20 BY SINGLE DEGREES/.2 DIVIDED 0 TO 100 AND 100 TO 0, BY SINGLE DEGREES
- Missing
- APPEARS COMPLETE
- Finish
- SOME AREAS APPEARS TO BE CHROME OR NICKEL PLATED/ BLACK BASE HAS CRACKLE-TEXTURED FINISH/ ONE WHITE SYNTHETIC SCALE ON ARC OVER GLOBE
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
Dominion Observatory, Globe, circa 1930, Artifact no. 1995.0947, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1995.0947.001/
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