General Information

Serial #

N/A

Part Number

1

Total Parts

1

AKA

N/A

Patents

N/A

General Description

GLASS, METAL, CERAMIC

Dimensions

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

Length

25.0 cm

Width

5.7 cm

Height

5.7 cm

Thickness

N/A

Weight

N/A

Diameter

N/A

Volume

N/A

Lexicon

Group

Lighting Technology

Category

Lamp bulbs

Sub-Category

N/A

Manufacturer

AKA

General Electric

Country

Unknown

State/Province

Unknown

City

Unknown

Context

Country

Unknown

State/Province

Unknown

Period

Unknown

Canada

SODIUM STREET LIGHTING 1ST TRIED IN CANADA IN 1934/ IN 1938-9 THE QUEEN ELIZABETH WAY WAS LIGHTED WITH SODIUM-VAPOUR LAMPS TO MARK THE INTERSECTIONS/ AT THE TIME, IT WAS THE MOST ILLUMINATED HIGHWAY IN THE WORLD

Function

LIGHTING/ GENERAL/ CLEAR/ SODIUM LAMPS WERE USED OUTDOORS FOR STREET LIGHTING, FLOODLIGHTING & AREA LIGHTING & INDOORS FOR HIGH-BAY INDUSTRIAL INSTALLATIONS

Technical

IN 1933 GE 1ST PUT SODIUM LAMPS ON THE MARKET/ IN 1964 THE 1ST HIGH PRESSURE SODIUM LAMP WAS INTRODUCED/ 'LUCALOX' LAMPS CLAIMED AS 1ST 'WHITE' LIGHT SOURCE TO EXCEED 100 LUMENS PER WATT/ IT WAS 6 TIMES AS EFFICIENT AS HOUSEHOLD INCANDESCENT LAMPS, TWICE AS EFFICIENT AS MERCURY LAMPS & HALF AGAIN AS MUCH AS FLUORESCENTS.

Area Notes

Unknown

Details

Markings

STAMPED ON BULB 'GENERAL GE [LOGO] ELECTRIC/ LUCALOX/ LU400/BD/ U.S.A.'/ STAMPED ON BASE '1234567890 JFMAMJJASOND'

Missing

N/A

Finish

CLEAR BULB, SILVERED NEAR BASE, SILVERTONE & WHITE PTS/ GLAZED BLACK BASE WITH BRASSTONE CENTRE

Decoration

N/A