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Ingenium, 1992.2042.001
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OBJECT TYPE: SCREW/SWITCHED
DATE: 1919
ARTIFACT NUMBER: 1992.2042.001

MANUFACTURER: Alpha
MODEL: Unknown
LOCATION: Unknown

More Information

General Information

Serial #: N/A
Part Number: 1
Total Parts: 1
AKA: N/A
Patents: N/A
General Description: METAL (INCLUDING BRASS & COPPER); SYNTHETIC KEY; MICA DISK; PORCELAIN CONTACT HOUSING; WAX SEALS; ASBESTOS PAPER LINER

Dimensions

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

Length: 6.0 cm
Width: 4.0 cm
Height: 5.5 cm
Thickness: N/A
Weight: N/A
Diameter: N/A
Volume: N/A

Lexicon

Group: Energy-electric
Category: User site
Sub-Category: N/A

Manufacturer

AKA: Alpha
Country: Unknown
State/Province: Unknown
City: Unknown

Context

Country: North America
State/Province: Unknown
Period: THIS TYPE OF SOCKET USED C. 1920S+
Canada: PART OF A LARGE & VARIED COLLECTION OF ELECTRICAL ITEMS ACQUIRED & DOCUMENTED BY ONTARIO HYDRO IN THE 1960S. THIS COLLECTION CONSISTS OF OVER 7500 ARTIFACTS, AND IS THOUGHT TO BE THE LARGEST & MOST COMPREHENSIVE IN CANADA. IT WAS DONATED IN ITS ENTIRETY TO THE NATIONAL MUSEUM OF SCIENCE & TECHNOLOGY IN 1992.
Function: TO SUPPORT AND CONNECT TO A FIXTURE A LAMP BULB OR OTHER ELECTRICAL DEVICE.
Technical: EXAMPLE OF EARLY SCREW-TYPE KEY SOCKET, WITH INTACT MICA INSULATING DISK. SCREW SOCKET ALLOWED LAMP BULB TO BE INSTALLED AND/OR REPLACED QUICKLY & EASILY, WITHOUT NEED FOR SPECIALIZED TOOLS OR KNOWLEDGE, AND WITHOUT RISK OF DAMAGE TO DELICATE FILAMENTS.
Area Notes: Unknown

Details

Markings: " 250 V.- 50 C.P. " incised in socket body; " ALPHA " cast in raised print on key.
Missing: APPEARS COMPLETE. SOCKET CAP MAY BE REPLACEMENT FOR ORIGINAL- NOTE DIFFEREING FINISHES ON CAP AND SOCKET CASING.
Finish: DARK FINISH APPLIED TO CAP TOP; BRIGHT LACQUERED FINISH ON LOWER SOCKET BODY; BLACK KEY.
Decoration: N/A

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

Alpha, Socket, circa 1919, Artifact no. 1992.2042, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingenium.ca/en/id/1992.2042.001/

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