General Information

Serial #

N/A

Part Number

1

Total Parts

3

AKA

N/A

Patents

N/A

General Description

.1-.2 WOODEN BASE & COVER; METAL SPRING, TERMINALS & MISC. FITTINGS..3 BONE BUTTON.

Dimensions

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

Length

6.5 cm

Width

6.5 cm

Height

3.0 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

Unknown

State/Province

Unknown

City

Unknown

Context

Country

North America

State/Province

Unknown

Period

THIS TYPE OF SWITCH POPULAR C. 1890- 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 MAKE OR BREAK A CONNECTION IN AN ELECTRICAL CIRCUIT.

Technical

EXAMPLE OF SINGLE BUTTON WOOD SWITCH, HAVING PUSH SPRINGCONTACT. PORCELAIN SWITCHES LARGELY REPLACED WOODEN ONES IN THE 1890S: DOUBLE BUTTON SWITCHES WERE ALSO INCREASINGLY POPULAR, VISUALLY INDICATING THE OPEN OR CLOSED (ON- OFF) STATE OF THE CIRCUIT.

Area Notes

Unknown

Details

Markings

None.

Missing

NONE. METAL HOOK SCREWED TO .1 IS NOT ORIGINAL: PRESUMABLY ADDED AS MEANS OF SUSPENDING SWITCH FOR DISPLAY PURPOSES, PROBABLY BY OH.

Finish

Unknown

Decoration

N/A