Candling light, egg
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2012.0038.001
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- OBJECT TYPE
- electric/single egg
- DATE
- 1938
- ARTIFACT NUMBER
- 2012.0038.001
- MANUFACTURER
- Caswell, W.A.
- MODEL
- 600
- LOCATION
- Winnipeg, Manitoba, Canada
More Information
General Information
- Serial #
- 4159
- Part Number
- 1
- Total Parts
- 3
- AKA
- N/A
- Patents
- N/A
- General Description
- Metal base (incorporating transformer) painted red; metal rod and diffuser have mat silver painted finish on exterior; interior surface of diffuser has bright nickel-plated (?) finish; black rubber (?) covering on electrical cord & plug head; clear glass bulb.
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 23.0 cm
- Width
- 11.5 cm
- Height
- 38.5 cm
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Agriculture
- Category
- Poultry equipment
- Sub-Category
- N/A
Manufacturer
- AKA
- Caswell
- Country
- Canada
- State/Province
- Manitoba
- City
- Winnipeg
Context
- Country
- Canada
- State/Province
- Unknown
- Period
- Unknown
- Canada
-
Manufactured in Western Canada. Egg farming was, and remains, a major agricultural business in this country. [Ref. 1] - Function
-
To examine eggshells for presence of dirt or cracks, or eggs containing blood spots [which indicates they have been fertilized]. - Technical
-
Lamp designed for use on table, or could be mounted on wall. This piece should be regarded as a technological benchmark between use of kerosene lamps and large multi-egg candling units. It would have been appropriate for use in small egg farm operations. [Ref. 1] - Area Notes
-
Unknown
Details
- Markings
- Plate fixed to lamp base reads "MODEL 600/ CASWELL EGG GRADING LAMP/ CDN. PATENT 385159, U.S. PATENT 2117146/ TRANSFORMER/ PRIM. V. 120 SEC. V. 6.5/ PRIM. V.A. 25 CYCLES 60/ CSA APP. NO. 5455 SERIAL NO. 4159/ W.A. CASWELL/ WINNIPEG CANADA". Following markings stamped into diffuser "CAN. PAT. 385159/ CSA APP. NO. 5455/ U.S. PATENT 2117146/ W.A. CASWELL/ WINNIPEG, CAN." and "4159".
- Missing
- Unknown: appears complete.
- Finish
- Metal base (incorporating transformer) painted red; metal rod and diffuser have mat silver painted finish on exterior; interior surface of diffuser has bright nickel-plated (?) finish; black synthetic covering on electrical cord & plug head; clear glass bulb.
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
Caswell, W.A., Candling light, egg, after 1938, Artifact no. 2012.0038, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingenium.ca/en/id/2012.0038.001/
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