Plug

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Ingenium, 1992.1990.001
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OBJECT TYPE: 2 PRONG/PARALLEL/SPRING BLADES
DATE: 1950
ARTIFACT NUMBER: 1992.1990.001

MANUFACTURER: Unknown
MODEL: Unknown
LOCATION: United States of America

More Information

General Information

Serial #: N/A
Part Number: 1
Total Parts: 1
AKA: N/A
Patents: N/A
General Description: RUBBER CASING; BRASS PRONGS

Dimensions

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

Length: 4.7 cm
Width: 2.5 cm
Height: 1.5 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: Unknown
Country: United States of America
State/Province: Unknown
City: Unknown

Context

Country: Canada
State/Province: Unknown
Period: THIS TYPE OF PLUG USED C. 1950S+
Canada: PART OF A LARGE & VARIED COLLECTON 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 CONNECT AN ELECTRICAL APPLIANCE TO A POWER SUPPLY.
Technical: SPRING ACTION BLADES APPEAR TO BE AN INNOVATION OF THE SECOND HALF OF THE 1930S. THEY PERMITTED A MORE SECURE HOLD WITHIN THE RECEPTACLE, AND WERE PROMOTED AS PREVENTING SHOCKS, REDUCING FIRE HAZARDS, MINIMIZING THE FLICKERING OFLIGHTS, AND REDUCING THE NOISE PICKED UP BY AN ELECTRICALLY POWERED RADIO.
Area Notes: Unknown

Details

Markings: " SPRING - ACTION/ PATENTED U.S.A. " cast in raised print on casing. " SPRING/ ACTION " & " PATENTED/ MADE IN U.S.A./ 660W 250V " incised on each prong.
Missing: NONE.
Finish: BROWN CASING; NATURAL BRASS PRONGS
Decoration: N/A

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Unknown Manufacturer, Plug, circa 1950, Artifact no. 1992.1990, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingenium.ca/en/id/1992.1990.001/

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