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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://collections.ingeniumcanada.org/en/id/1980.0768.004/

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