General Information

Serial #

210544

Part Number

1

Total Parts

1

AKA

N/A

Patents

N/A

General Description

NON-FERROUS METAL CASING/ METAL PARTS/ SYNTHETIC SCREEN, CONTROLS,HANDLES, PARTS/ RUBBER? FEET

Dimensions

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

Length

37.7 cm

Width

38.0 cm

Height

45.5 cm

Thickness

N/A

Weight

N/A

Diameter

N/A

Volume

N/A

Lexicon

Group

Physics

Category

Electronics

Sub-Category

N/A

Manufacturer

AKA

Bruel Kjaer

Country

Denmark

State/Province

Unknown

City

Copenhagen

Context

Country

Canada

State/Province

Quebec

Period

1960'S+

Canada

EQUIPMENT USED IN ENGINEERING DEPT. OF NATIONAL FILM BOARD OF CANADA CREATED IN 1939, NFB IS PUBLIC AGENCY THAT PRODUCES & DISTRIBUTES FILMS & OTHER AUDIOVISUAL WORKS WHICH REFLECT CANADA. AT ONE TIME WELL FUNDED BY GOV'T, NFB HAD GOOD QUALITY EQUIPMENT BY WELL KNOWN MFRS.

Function

INSTRUMENT USED TO CHECK FREQUENCY CHARACTERISTIC OF A.F DEVICES SUCH AS AMPLIFIERS, FILTERS, HEADPHONES, MICROPHONES, HEARING AIDS ETC., ESPECIALLY IN PRODUCTION CONTROL SYSTEMS.

Technical

EXAMPLE OF ACOUSTICAL TEST EQUIPMENT OF 1960'S, PART OF EQUIPMENT OF AUDIOVISUAL PRODUCTION FACILITY.

Area Notes

Unknown

Details

Markings

INCISED BLACK LETTERING ON FRONT READING "Frequency Response Tracer/ Type 4712"/ LABEL ON BACK READ "Sold and Serviced by/ R-O-R ASSOCIATES LIMITED/ TORONTO MONTREAL/ w.o. 1572 June 13/68/ 4712 #210544" WITH SECOND LABEL IDENTICAL EXCEPT FOR "Feb 12/68 B & K/ 4712A #210544"/ BLACK LETTERING FOR CONTROL FUNCTIONS

Missing

APPEARS COMPLETE

Finish

GLOSSY LIGHT GREEN PAINTED CASING FRONT & BACK WITH GLOSSY BLACK PAINTED TOP & SIDES, SCREEN FRAME/ COLOURLESS, TRANSPARENT SCREEN/ BLACK CONTROLS, FEET, PARTS/ PLATED SWITCHES/ METALLIC PARTS

Decoration

INCISED BLACK MFR.'S LOGO ON FRONT