General Information

Serial #

11398

Part Number

1

Total Parts

1

AKA

N/A

Patents

N/A

General Description

WOOD CASING/ SYNTHETIC COVERED METAL CONTROL PANEL FORMING TOP/ SYNTHETIC & METAL CONTROLS/ SYNTHETIC GALVANOMETER WINDOW/ RUBBER? FEET

Dimensions

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

Length

48.0 cm

Width

30.5 cm

Height

23.5 cm

Thickness

N/A

Weight

N/A

Diameter

N/A

Volume

N/A

Lexicon

Group

Communications

Category

Sound

Sub-Category

N/A

Manufacturer

AKA

General Radio

Country

United States of America

State/Province

Massachusetts

City

Cambridge

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

GENERALLY, INSTRUMENT USED TO MEASURE RESISTIVE & REACTIVE COMPONENTS OF UNKNOWN IMPEDANCE. THIS ONE MEASURED INDUCTANCE & STORAGE FACTOR OF COILS, CAPACITANCE & DISSIPATION OF CAPACITORS, A-C & D-C RESISTANCE OF RESISTORS. IN LABORATORY IT WAS USED TO MEASURE CIRCUIT CONSTANTS IN EXPERIMENTAL EQUIPMENT, TEST PRELIMINARY SAMPLES, ETC.

Technical

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

Area Notes

Unknown

Details

Markings

INCISED WHITE LETTERING ON CONTROL PANEL READS "IMPEDANCE BRIDGE/ TYPE NO. 560-A SERIAL NO. 11398/ GENERAL RADIO CO./ CAMBRIDGE MASS. U.S.A." & FOR CONTROL FUNCTIONS/ BLACK LETTERING ON METER READS "WESTON ELEC. INST. CORP. NEWARK N.J. U.S.A./ GALVANOMETER/ GENERAL RADIO CO./ MADE BY/ WESTON/ MODEL 1301 R-588-306-A/ 65 NOMINAL 161865"

Missing

APPEARS COMPLETE From CA of 11/15/2001 by Matthew Bruce: Yes - Missing power cord.

Finish

WOOD STAINED BROWN & COATED/ BLACK TEXTURED COVERING ON CONTROL PANEL/ BLACK SYNTHETIC CONTROLS/ WHITE SYNTHETIC LIGHT/ PLATED & METALLIC PARTS/ BLACK PAINTED METAL DIALS/ COLOURLESS & TRANSPARENT WINDOW/ BLACK FEET

Decoration

INCISED WHITE MFR.'S "GR" LOGO ON CONTROL PANEL