General Information

Serial #

N/A

Part Number

1

Total Parts

3

AKA

N/A

Patents

N/A

General Description

.1 SYNTHETIC MATERIAL (COMPOSITE OR BAKELITE?)/.2 SYNTHETIC & METAL CONSTRUCTION/.3 PORCELAIN AND METAL (INCLUDING COPPER & BRASS)

Dimensions

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

Length

3.0 cm

Width

3.0 cm

Height

4.2 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

Benjamin

Country

Unknown

State/Province

Unknown

City

Unknown

Context

Country

Canada

State/Province

Unknown

Period

THIS TYPE OF PLUG USED C. 1909+

Canada

PART OF A LARGE & VARIED COLLECTION OF ELECTRICAL ITEMS ACQUIRED BY ONTARIO HYDRO IN THE 1960S. THIS COLLECTION CONSISTS OF OVER 7500 ARTIFACTS, AND IS THOUGHT TO BE THE LARGEST & MOSTCOMPREHENSIVE IN CANADA. IT WAS DONATED IN ITS ENTIRETY TO THE NATIONAL MUSEUM OF SCIENCE & TECHNOLOGY IN 1992.

Function

USED TO CONNECT AN ELECTRICAL APPLIANCE TO A POWER SUPPLY.

Technical

THE FIRST ATTACHMENT PLUGS WERE DEVELOPED C. 1900 IN RESPONSE TO GROWING CONSUMER DEMANDS FOR DOMESTIC ELECTRICAL APPLIANCES AND PORTABLE LAMPS. THIS DEMAND WAS ENCOURAGED BY ELECTRICAL APPLIANCE MFRS, AND BY SUPPLIERS OF ELECTRICITY. THIS STYLE OF PLUG PERMITTED AN APPLIANCE TO BE ATTACHED OR DISCONNECTED WITHOUT TWISTING THE FRAGILE WIRES ENCLOSED IN THE ELECTRICAL CORD.

Area Notes

Unknown

Details

Markings

.2 markings only partially legible; incised " BENJAMIN- PAT'D 1908-9 [illegible]A. 250 V ".

Missing

APPEARS COMPLETE.

Finish

.1 DARK BROWN MOLDED CAP;.2 DARK BROWN RIM & GOLDTONE METAL SHELL;.3 WHITE PORCELAIN BODY; NATURAL COPPER COLOUR SCREW COLLAR

Decoration

N/A