Cabinet
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2008.0183.002
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- OBJECT TYPE
- N/A
- DATE
- Unknown
- ARTIFACT NUMBER
- 2008.0183.002
- MANUFACTURER
- Zeiss, Carl
- MODEL
- Zeiss Ascorecord
- LOCATION
- Jena, German Democratic Republic
More Information
General Information
- Serial #
- N/A
- Part Number
- 2
- Total Parts
- 5
- AKA
- N/A
- Patents
- N/A
- General Description
- Metal cabinet/ Parts: metal, glass, synthetic, wood
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 57.6 cm
- Width
- 50.5 cm
- Height
- 73.5 cm
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Astronomy
- Category
- Research
- Sub-Category
- N/A
Manufacturer
- AKA
- Zeiss
- Country
- German Democratic Republic
- State/Province
- Unknown
- City
- Jena
Context
- Country
- Canada
- State/Province
- Ontario
- Period
- Unknown
- Canada
-
An instrument used at the David Dunlap Observatory at the University of Toronto, one of Canada's most important astronomical observatories. The David Dunlap Observatory opened in 1935 as the result of a bequest from the wife of David Dunlap. The telescope was a 74 inch (188 cm) reflector built by Grubb Parsons of Newcastle-upon-Tyne in England. The 74 inch was then the largest telescope in Canada (surpassing the 72 inch telescope of the Dominion Astrophysical Observatory in Victoria) and became the second largest in the world after the 100 inch Hooker Telescope of the Mt. Wilson Observatory outside Los Angeles. DDO's reputation grew and following WWII, it began to graduate most of the astronomers produced in Canada with University of Western Ontario far behind. Beginning in the 1960s a number of other astronomy departments were created but UofT/DDO held its place, a position it probably still holds. The DDO had a good technical staff which gave them an advantage and, with most of the 1940s to early 1970s top astronomers coming from UofT, grants from NRC and then ENSERC were almost guaranteed and allowed UofT's top astronomers -- Hogg, van den Berg, Fernie, Bolton, Kamper, Martin, etc. to acquire or build some of the best equipment available in university observatories. For optical observatories, only the DAO had technical staff and budgets that surpassed those of DDO. In 2007, citing increasing light pollution, the University of Toronto announced plans to sell the Observatory property. In June 2008, it was sold to Corsica Development Inc., a subsidiary of Metrus Development Inc. and the Observatory was closed. In 2009 the Observatory buildings and 80% of the site were designated a cultural heritage landscape. Also in 2009 Corsica and the Royal Astronomical Society of Canada, Toronto Centre announced an agreement allowing the RASC to provide public education and outreach programs at the observatory, and to operate the 188 cm telescope. - Function
-
Unknown - Technical
-
A large format X-Y measuring machine used to measure the position of objects on photographic plates. The DDO had a full set of the glass Palomar Sky Survey (PSS) plates [a key research tool for any large observatory -- and taken with the 48" Schmidt telescope at Mt. Palomar beginning in 1948 into the 1950s and then with additions through the '60s and '70s and also ones taken by DDO astronomer Dr. Sidney Van den Bergh. These plates would mostly have been used to measure positions of nova, supernova, variable stars in star cluster (especially globular clusters), galaxies, quasars, etc. The PSS plates were, approximately 16 x 16 inches. - Area Notes
-
Unknown
Details
- Markings
- None
- Missing
- Unknown
- Finish
- Cabinet painted glossy medium grey/ Drawers painted glossy light grey
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
Zeiss, Carl, Cabinet, Unknown Date, Artifact no. 2008.0183, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/2008.0183.002/
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