General Information

Serial #

768

Part Number

1

Total Parts

1

AKA

N/A

Patents

N/A

General Description

METAL BODY, GLASS VIEWFINDER SCREEN, TUBES, BAKELITEKNOBS, ELECTRICAL

Dimensions

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

Length

98.0 cm

Width

39.0 cm

Height

52.3 cm

Thickness

N/A

Weight

N/A

Diameter

N/A

Volume

N/A

Lexicon

Group

Communications

Category

Television

Sub-Category

N/A

Manufacturer

AKA

MARCONI

Country

England

State/Province

Unknown

City

London

Context

Country

Worldwide

State/Province

Unknown

Period

THIS TYPE OF CAMERA WIDELY USED C.1952-1972

Canada

Unknown

Function

TO RECORD IMAGES FOR TV BROADCAST

Technical

MARCONI MARK IV USED 4 1/2-INCH IMAGE ORTHICON TUBE, PRODUCING A SHARPER PICTURE & HIGHER RESOLUTION THAN EARLIER IMAGE ORTHICON CAMERAS. INTRODUCED IN 1957 IT QUICKLY DOMINATED MARKET OUTSIDE OF USA; BY LATE 1950S IT THREATENED RCA'S DOMINATION OF US MARKET. (REF. 1). IMAGE ORTHICON TUBES "PERMITTED A SUBSTANTIAL REDUCTION IN THE NUMBER OF TUBES USED IN THE CIRCUITS WITHIN THE CAMERA THAT WERE PREVIOUSLY BUILT IN AUXILIARY EQUIPMENTS" .

Area Notes

Unknown

Details

Markings

TOP MASKING TAPE 'MUSEE'/ LEFT SIDE OF TURRET WARNING DECAL 'CBC' (BLACK ON WHITE PLAQUE) '4'/ BACK '1' (HANDPAINTED BLACK)/ RIGHT SIDE: MARCONI LOGO 'CBC' (AS ABOVE), '4'

Missing

LENSES

Finish

GREY METALLIC FINISH, BLACK KNOBS

Decoration

N/A