General Information

Serial #

N/A

Part Number

1

Total Parts

1

AKA

N/A

Patents

N/A

General Description

WOOD CASING/ SYNTHETIC DIAL & KNOB/ METAL PLATE & SYNTHETIC CONTROLS ON BACK/ METAL & SYNTHETIC FEET

Dimensions

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

Length

43.0 cm

Width

17.2 cm

Height

21.2 cm

Thickness

N/A

Weight

N/A

Diameter

N/A

Volume

N/A

Lexicon

Group

Energy-electric

Category

Measurement

Sub-Category

N/A

Manufacturer

AKA

General Electric

Country

United States of America

State/Province

Unknown

City

Unknown

Context

Country

Canada

State/Province

Ontario

Period

Unknown

Canada

EXAMPLE OF EQUIPMENT USED AT LARGEST RESEARCHINSTITUTION IN CANADA DURING PERIOD OF ITS MOST RAPID GROWTH, GREATEST PRODUCTIVITY & DURING WHICH IT DEVELOPED WORLD RENOWNED REPUTATION. THIS METER WAS USED IN ATOMIC BEAM LAB.

Function

D'ARSONVAL GALVANOMETER IS DEVICE USED TO MEASURE DIRECT ELECTRIC CURRENT, BY MEASURING MOVEMENT OF WIRE COIL SUSPENDED BY THIN METALLIC RIBBON IN RELATION TO FIXED MAGNET WHEN CURRENT APPLIED TO COIL.

Technical

ANCESTORS OF MOVING COIL INSTRUMENTS WERE 'SIPHON RECORDER' DEV'D BY WILLIAM THOMSON (1867) FOR TELEGRAPH INDUSTRY & 'FISHBONE GALVANOMETER' INVENTED BY MARCEL DEPREZ (1880). JACQUES D'ARSONVAL SUGGESTED FIXING 'FISHBONE' IN DEPREZ'S INSTRUMENT & MAKING ITS COIL MOVEABLE..(SEE COMPLETE WS IN SUPP.INFO. FILE & O:DRIVE S.I.)

Area Notes

Unknown

Details

Markings

PLATE ON FRONT READS "GENERAL ELECTRIC/ N.P. 60288-B/ GALVANOMETER/ MADE IN U.S.A./ CAT. 32C 245 G13" WITH PATENT NOS. & MFR.'S LOGO/ LABEL READING "NATIONAL RESEARCH/ ATOMIC/ BEAM LAB/ LABORATORIES"

Missing

APPEARS COMPLETE From CA of 01/30/2002 by Matthew Bruce: No - appears complete

Finish

CLEAR COATING ON BROWN WOOD/ WHITE SCALE/ BROWN KNOB/ BLACK POWER CORD & CONTROLS ON BLACK METAL PLATE/ METALLIC & BLACK FEET

Decoration

BLACK LINE FORMING EDGING WITH SCALLOPED CORNERS ON PLATE ON BACK