General Information

Serial #

60207

Part Number

1

Total Parts

1

AKA

N/A

Patents

N/A

General Description

METAL WITH CERAMIC & ASBESTOS INSULATORS

Dimensions

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

Length

73.0 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

United States of America

State/Province

New York

City

Schenectady

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 FOR LARGE INDOOR SPACES

Technical

THIS TYPE OF G.E. LAMP USED A SYSTEM WHICH ALLOWED THE INNER GLOBE & LOWER CARBON TO BE REMOVED OR INSERTED TOGETHER, ALLOWING FOR QUICKER TRIMMING OF THE LAMPS/ LAMPSOPERATED ON DIFFERENTIAL PRINCIPLE WITH SHUNT & SERIES MAGNETS EXERTING FORCE ON 2 ARMATURES CONNECTED TO CARBON CLUTCH - ENSURES STEADINESS IN OPERATION AS SHUNT & SERIES MAGNETS WORKING IN OPPOSITION TEND TO OPPOSE ANY CHANGE IN ARC VOLTAGE (REF.2)

Area Notes

Unknown

Details

Markings

RAISED ON CASE 'THOMSON/ ENCLOSED ARC LAMP/ GENERAL ELECTRIC CO./ SCHENECTADY, N.Y. U.S.A.'/ PLATE ON LAMP 'FORM 3 ENCLOSED ARC LAMP/ FOR A.C. SERIES CIRCUITS/ NO. 602017 CAT. NO. 3480 AMP. 6.6/ PAT. APR.7,'91 NOV.8,'92, SEP.12,'93 JUNE 5,'94 JUNE 25,'94/ DEC.24,'95 MAY 10,'98 OCT.15,'00 JAN.29,'01 JAN.28,'02'

Missing

GLASSWARE, GLOBE HOLDER

Finish

BLACK CASE, PTS ARE SILVERTONE, BLACK, WHITE; BRASS-COLOUR MFR'S PLATE

Decoration

SEVERAL SLIGHTLY RAISED NARROW BANDS ENCIRCLING CASE