Sight glass

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Ingenium, 1979.0536.002
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OBJECT TYPE
boiler
DATE
1950–1959
ARTIFACT NUMBER
1979.0536.002
MANUFACTURER
Unknown
MODEL
Unknown
LOCATION
Unknown

More Information


General Information

Serial #
N/A
Part Number
2
Total Parts
2
AKA
N/A
Patents
N/A
General Description
Glass tube with a paper label

Dimensions

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

Length
27.1 cm
Width
N/A
Height
N/A
Thickness
N/A
Weight
N/A
Diameter
1.3 cm
Volume
N/A

Lexicon

Group
Industrial Technology
Category
Power sources
Sub-Category
N/A

Manufacturer

AKA
Unknown
Country
Unknown
State/Province
Unknown
City
Unknown

Context

Country
Unknown
State/Province
Unknown
Period
Unknown
Canada
John Moncrieff was born in Cherrybank, Perth in 1834. He began working with glass in 1847, when he took a position at Perth Inc Works. He started his own company in 1868, initially naming it the North British Glass and Ink Works, and later renaming it John Moncrieff Ltd. “The superior quality of Moncreiff’s products earned the company an international reputation and its gauge glasses, marketed under the brand names ‘Perth’ and ‘Unific’ were sought world-wide by locomotive companies, steamship companies and the British and foreign Navies.” (ref.2) (From Artifact Worksheet)
Function
To indicate water levels inside of boiler.
Technical
The level of water in a steam boiler must be carefully controlled to ensure the production of quality steam in a safe and efficient manner. This steam is generated by heat from the combustion of fuel in a furnace. As steam is generated, the water in the boiler evaporates and the boiler must receive a supply of water to maintain level, pressure, and efficiency. To monitor this level, a gauge glass on the boiler shell is used as the indicator. The glass itself is designed to withstand heavy pressure and breakage. (From Artifact Worksheet)
Area Notes
Unknown

Details

Markings
On label: "PERTH GAUGE GLASS/ J. MONCRIEFF, MAKER/ MADE IN SCOTLAND"
Missing
Unknown
Finish
Clear, slightly green glass with a brown paper label bearing black markings.
Decoration
N/A

CITE THIS OBJECT

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

Unknown Manufacturer, Sight glass, circa 1950–1959, Artifact no. 1979.0536, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1979.0536.002/

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