General Information

Serial #

27451

Part Number

1

Total Parts

1

AKA

N/A

Patents

N/A

General Description

FERROUS METAL CASING/ NON-FERROUS METAL PARTS/ SYNTHETIC CONTROLS & PARTS/ RUBBER? FEET

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

18.0 cm

Height

10.5 cm

Thickness

N/A

Weight

N/A

Diameter

N/A

Volume

N/A

Lexicon

Group

Communications

Category

Sound

Sub-Category

N/A

Manufacturer

AKA

Bruel Kjaer

Country

Denmark

State/Province

Unknown

City

Copenhagen

Context

Country

Canada

State/Province

Quebec

Period

1950'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 FOR PRECISE CALIBRATION OF MEASURING MICROPHONES USED IN ACOUSTICAL MEASUREMENT.

Technical

EXAMPLE OF ACOUSTICAL TEST EQUIPMENT OF 1950'S, PART OF EQUIPMENT OF AUDIOVISUAL PRODUCTION FACILITY.

Area Notes

Unknown

Details

Markings

INCISED BLACK LETTERING ON TOP READING "Bruel & Kjaer/ Copenhagen/ Microphone Calibration Apparatus/ Type 4119"/ PLATE ON SIDE READING "Type 4119 Serial 27451/ Bruel & Kjaer/ Copenhagen" WITH WHITE APPLIQUE LETTERING BELOW READING "Made in Denmark"/ INCISED BLACK LETTERING FOR CONTROL FUNCTIONS

Missing

APPEARS COMPLETE

Finish

TOP PAINTED GLOSSY LIGHT GREEN/ SIDES & BASE PAINTED GLOSSY BLACK/ METALLIC PARTS/ BLACK CONTROLS &FEET

Decoration

INCISED BLACK MFR.'S LOGO ON TOP & ON PLATE