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Dow's Lake station

2001 establishments in OntarioRailway stations in Canada opened in 2001Trillium Line stations
Carling O Train Station
Carling O Train Station

Dow's Lake (formerly known as Carling) is an O-Train station on the Trillium Line, one block west of the intersection of Carling Avenue and Preston Street in Ottawa, Ontario. It is near Dow's Lake the western terminal of the Rideau Canal skating rink (in winters only) and a key site during the Canadian Tulip Festival in May. The station is also near government offices at the area of Carling Avenue and Booth Street. South of Carling, the train enters a tunnel to pass under the Rideau Canal. The station was originally named for nearby Carling Avenue and Sir John Carling.

Excerpt from the Wikipedia article Dow's Lake station (License: CC BY-SA 3.0, Authors, Images).

Dow's Lake station
Trillium Pathway, (Old) Ottawa Somerset

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Wikipedia: Dow's Lake stationContinue reading on Wikipedia

Geographical coordinates (GPS)

Latitude Longitude
N 45.3975 ° E -75.709444444444 °
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Address

Carling Station

Trillium Pathway
K1S 3J7 (Old) Ottawa, Somerset
Ontario, Canada
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Carling O Train Station
Carling O Train Station
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Dominion Observatory
Dominion Observatory

The Dominion Observatory was an astronomical observatory in Ottawa, Ontario that operated from 1902 to 1970. The Observatory was also an institution within the Canadian Federal Government. The observatory grew out of the Department of the Interior's need for the precise coordinates and timekeeping that at that time could only come from an observatory. For several years they had used a small observatory on the Ottawa River for this purpose. In 1902, it was decided that Canada needed a larger national observatory similar to the Royal Greenwich Observatory in Britain. Chief Dominion Architect David Ewart designed the Dominion Observatory in 1902.The new building was then erected near Dow's Lake on the Agriculture Department's Central Experimental Farm land. This Romanesque Revival building was completed in 1905. Its main instrument was a 15-inch refracting telescope, the largest refracting telescope ever installed in Canada, although it was not a particularly large telescope for this period. While the building and institution were primarily dedicated to astronomical timekeeping in support of surveying, a number of other activities took place here. The Dominion Observatory was Canada's leading institution in Geophysics for many decades, which included the operation of Canada's national seismometer network. The facility did important work, but with this bridgehead into the world of astronomy and the growth of the field of astrophysics, Canadian astronomers quickly demanded a facility designed for the new scientific age. In 1917, the Dominion Astrophysical Observatory was opened in Victoria, B.C. and it supplanted the Dominion Observatory as Canada's foremost astronomical observatory. For many years, the Dominion Observatory was best known to Canadians as the source of Canada's official time signal. The observatory continued in operation until 1970 at which time Canada's science institutions were reorganized. The national time-keeping and astronomical activities were transferred to the National Research Council of Canada, while the geophysics, surveying and mapping were transferred to the Department of Energy Mines and Resources. The Geophysics work was later merged into the Geological Survey of Canada, now part of Natural Resources Canada. Astronomical timekeeping observations at the Dominion Observatory had ceased many years prior to this, when crystal oscillator clocks and, later, atomic clocks were found to be superior to astronomical timekeeping. The building became home to NRCan offices. The telescope had been open for public viewing from 1905 until 1970. In 1974, the telescope was moved from the Dominion Observatory to the Helen Sawyer Hogg Observatory at the Canada Science and Technology Museum where it remained until 2016.As of 2008, the building is the home to the Office of Energy Efficiency, a part of the Energy Branch, Natural Resources Canada.