General Information

Serial #

86G136

Part Number

1

Total Parts

3

AKA

N/A

Patents

N/A

General Description

.1 METAL, CERAMIC, PROBABLY ASBESTOS/.2-.3 GLASS

Dimensions

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

Length

64.0 cm

Width

22.0 cm

Height

22.0 cm

Thickness

N/A

Weight

N/A

Diameter

N/A

Volume

N/A

Lexicon

Group

Lighting Technology

Category

Lighting devices

Sub-Category

N/A

Manufacturer

AKA

General Electric

Country

Canada

State/Province

Ontario

City

Toronto

Context

Country

Worldwide

State/Province

Unknown

Period

COMMERCIAL ARC LIGHTING FIRST USED 1870S/ DECLINED AFTER C.1910/ SELDOM USED FOR SPACE LIGHTING BY 1940'S

Canada

Unknown

Function

TO PROVIDE LIGHT/ USED FOR OUTDOOR LIGHTING OR TO LIGHT LARGE INDOOR SPACES

Technical

ENCLOSED ARC LAMPS HAD ADVANTAGES OVER OPEN TYPES/ CARBONS LASTED MUCH LONGER (APPROX. 150 HRS INSTEAD OF 10), LAMP GAVE STEADIER LIGHT & FIRE HAZARD WAS LESS/ THE 1ST PATENT FOR AN ENCLOSED ARC LAMP WAS ISSUED IN 1891, THEY BEGAN TO BE COMMERCIALLYPRODUCED C.1893/ BY 1899 85% OF ARC LAMPS MADE IN U.S. WERE ENCLOSED TYPE/ The milk glass outer globe suggests this lamp was used for interior lighting.

Area Notes

Unknown

Details

Markings

.1 PLATE ON LAMP 'FORM 14 ENCLOSED ARC LAMP/ FOR D.C. MULTIPLE CIRCUITS/ NO. 866136 CAT. NO. 9527/ PAT. APR.7,'91 JUN.5,'94 JUN.26,'94/ MAY 10,'98 JAN.29, 1901 AUG.2, 1904'/ PLATE ON CASE 'THOMSON ENCLOSED ARC LAMP/ DIRECT CURRENT/ CANADIAN GENERAL ELECTRIC CO./ LIMITED/ TORONTO, PETERBOROUGH, MONTREAL'

Missing

MISSING INNER GLOBE HOLDER

Finish

.1 TOP PAINTED BLACK, CASE IS DULL BRASS COLOUR, APPEARS UNFINISHED/ PTS ARE BLACK, WHITE, SILVERTONE, BRASS COLOUR & DULL REDDISH COLOUR/.2 COLOURLESS, TRANSPARENT/.3 TRANSLUCENT WHITE

Decoration

.1 CASE HAS SERIES OF NARROW RAISED BANDS AROUND IT