General Information

Serial #

N/A

Part Number

1

Total Parts

5

AKA

N/A

Patents

N/A

General Description

LAMP: GLASS ENVELOPE; METAL BASE; METAL INTERIOR WIRES/ BOX: CARDSTOCK

Dimensions

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

Length

N/A

Width

N/A

Height

4.9 cm

Thickness

N/A

Weight

N/A

Diameter

3.0 cm

Volume

N/A

Lexicon

Group

Photography

Category

Cine images

Sub-Category

N/A

Manufacturer

AKA

General Electric

Country

Canada

State/Province

Ontario

City

Toronto

Context

Country

Canada

State/Province

Ontario

Period

PROBABLY USED AFTER THE 1950S BUT BEFORE POPULARITY OF VIDEO

Canada

LAMP MADE IN CANADA BY CANADIAN GENERAL ELECTRIC; AND PROBABLY USED IN CANADA

Function

USED IN A CINE PROJECTOR, IN THE SOUNDHEAD, TO PROVIDE A LIGHT BEAM. [SEE PRINTOUTS IN S.I. FILE]

Technical

THE LIGHT BEAM PASSES THROUGH THE MOVING SOUNDTRACK, WHICH CAUSES THE INTENSITY OF THE BEAM TO VARY THROUGH THE FILM. THE VARYING LIGHT FALLS ON A SENSOR (PHOTOELECTRIC CELL) TO CREATE ELECTRICAL SIGNALS FOR THE SPEAKER TO CONVERT BACK TO SOUND. [REF 1 & 2]

Area Notes

Unknown

Details

Markings

LAMP: PRINTED ON SIDE OF BASE: 'GE [LOGO] 1A 6V BSK'/ PRINTED ON BOX: '10 Photographic Lamps/ CANADIAN GENERAL ELECTRIC COMPANY LIMITED/ 165 DUFFERIN STREET, TORONTO, CANADA M6K 1Y9 [ALSO IN FRENCH]/ GE/ CGE [LOGO]/ B S K/ PH/1A/T5/6/ 6V C6/ SOUND REPRODUCER'

Missing

ORIGINALLY 10 LAMPS IN BOX; ONLY FIVE REMAINING

Finish

LAMP: UNCOLOURED GLASS; SHINY METAL/ BOX: WHITE BOX WITH BLACK AND ORANGE PRINTING

Decoration

N/A