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Ingenium, 1980.0768.004
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OBJECT TYPE
disc
DATE
1908
ARTIFACT NUMBER
1980.0768.004
MANUFACTURER
Unknown
MODEL
Unknown
LOCATION
Unknown

More Information


General Information

Serial #
N/A
Part Number
4
Total Parts
11
AKA
Counterweight
Patents
N/A
General Description
Ferrous metal disc weights

Dimensions

Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.

Length
N/A
Width
N/A
Height
N/A
Thickness
N/A
Weight
N/A
Diameter
N/A
Volume
N/A

Lexicon

Group
Marine Transportation
Category
Communications
Sub-Category
N/A

Manufacturer

AKA
Unknown
Country
Unknown
State/Province
Unknown
City
Unknown

Context

Country
Canada
State/Province
Nova Scotia
Period
1908-1980
Canada
This lighthouse originally operated at Cape Race, Newfoundland, from 1856 to 1907. In 1908 it was dismantled and moved to Money Point at Cape North on Cape Breton Island, when it remained in service until 1980. The first lighthouse in Canada was erected on Cape Breton Island, at Louisburg in 1731.
Function
Unknown
Technical
Technologically very interesting, being of cast iron, modular construction, a 19th c. technique which was suited to the circumstances & location. Beacon machinery altered for museum use, but many traces of the original clock-work and oil-burning technology employed to operate the light remain. Revolving and flashing systems of light were introduced around the end of the 18th century to help distinguish one lighthouse from another. By 1890 the revolving light mechanisms were floated in mercury and driven by clockwork with great weights, which were wound up by the keeper at 2- to 4-hour intervals. The mercury floating system allowed bigger lamps to be used without having the friction problem.
Area Notes
Unknown

Details

Markings
N/A
Missing
Unknown
Finish
Black metal disc weights and hook
Decoration
N/A

CITE THIS OBJECT

If you choose to share our information about this collection object, please cite:

Unknown Manufacturer, Weight, circa 1908, Artifact no. 1980.0768, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1980.0768.004/

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