Photometer
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Ingenium,
1993.0288.001
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- OBJECT TYPE
- OPTICAL/PHOTOELECTRIC
- DATE
- 1960–1962
- ARTIFACT NUMBER
- 1993.0288.001
- MANUFACTURER
- DUNLOP, DAVID OBSERVATORY SHOPS
- MODEL
- Unknown
- LOCATION
- Richmond Hill, Ontario, Canada
More Information
General Information
- Serial #
- N/A
- Part Number
- 1
- Total Parts
- 1
- AKA
- N/A
- Patents
- N/A
- General Description
- ALUMINUM, BRASS, GLASS LENSES, GLASS FILTERS
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 37.0 cm
- Width
- 18.0 cm
- Height
- 45.0 cm
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Astronomy
- Category
- Research
- Sub-Category
- N/A
Manufacturer
- AKA
- Observatory CA
- Country
- Canada
- State/Province
- Ontario
- City
- Richmond Hill
Context
- Country
- Canada
- State/Province
- Unknown
- Period
- FROM CIRCA 1960 TO 1976
- Canada
-
USED FOR TEACHING GRADUATE STUDENTS BY THE PRIMARY ASTRONOMICAL TEACHING INSTITUTION IN CANADA (U OF T) & THEN TRANSFERRED TO A SMALL, NEWLY FORMED DEPT. AT SMU IN HALIFAX. - Function
-
USED TO MEASURE THE BRIGHTNESS OF STARS, GALAXIES AND OTHER ASTRONOMICAL BODIES WITH GREAT ACCURACY [CURATOR'S WORKSHEET]. - Technical
-
TYPICAL ASTRONOMICAL RESEARCH INSTRUMENT OF THE MID-20C. FIRSTSUCH INSTRUMENTS APPEARED NEAR THE BEGINNING OF THE C & HAD REACHED A REASONABLE DEVELOPMENTAL STATE BY 1930. WERE SUPERCEDED BY CCD DETECTORS IN LATE 1970'S & EARLY 1980'S. [REF 1] - Area Notes
-
Unknown
Details
- Markings
- DYNOTAPE LABELS READ: 'CLOSED OPEN SOURCE/ DIAGONAL/ USE BOTTOM/ APERTURE/ SIGNAL/ CATHODE/ DARK SLIDE'/ PRINTED ON SIDE WHEEL: '1' [TO] '8'
- Missing
- From CA of 01/14/2002 by Matthew Bruce: No - appears complete
- Finish
- CASE: GREY HAMMERLIN FINISH; BLACK & WHITE PRINTING
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
DUNLOP, DAVID OBSERVATORY SHOPS, Photometer, circa 1960–1962, Artifact no. 1993.0288, Ingenium – Canada’s Museums of Science and Innovation, http://collections.ingeniumcanada.org/en/id/1993.0288.001/
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