General Information

Serial #

870140

Part Number

1

Total Parts

2

AKA

N/A

Patents

N/A

General Description

.1 &.2 METAL, ASBESTOS,MICA, PROBABLY PHENOLIC RESIN

Dimensions

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

Length

66.0 cm

Width

23.0 cm

Height

23.0 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

Unknown

State/Province

Unknown

City

Unknown

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 & TO LIGHT LARGE INDOOR SPACES

Technical

SERIES AC ARC LIGHTING SYSTEM WAS 1ST INTRODUCED IN 1898 & SOON REPLACED THE OLD DC OPEN ARC SYSTEM/ ITS ADVANTAGES INCLUDED: BEING ABLE TO LOCATE THE TRANSFORMERS WHERE THEY COULD BE EASILY ACCESSIBLE; TRANSFORMERS REQUIRING ALMOST NO ATTENTION; SERIES AC ARC LAMPS COULD OPERATE ON SAME CIRCUIT AS INCANDESCENT LAMPS

Area Notes

Unknown

Details

Markings

.1 PLATE 'FORM 6 ENCLOSED ARC LAMP FOR A.C. SERIES CIRCUITS/ NO. 870140 CAT. 3786 AMP. 6.6/ PAT. AUG.15,'93 JUN.5,'94 JUN.26,'94/ SEP.30,1902 JUN.30,1903/ AUG.2,1904 SEP.13,1904/ OCT.11,1904'/.2 PLATE IS SAME EXCEPT 'NO.' IS '864270'

Missing

.1 & .2 MISSING GLASSWARE/ .2 MISSING CASE

Finish

.1 &.2 BLACK TOP (.1 HAS BLACK CASE)/ PTS ARE BLACK, WHITE, SILVER & BRASS COLOUR, RED WINDINGS ON MAGENTS

Decoration

SEVERAL NARROW, RAISED BANDS ENCIRCLE CASE ON.1