General Information

Serial #

54853

Part Number

1

Total Parts

1

AKA

N/A

Patents

N/A

General Description

WOODEN BOX WITH METAL HARDWARE; SYNTHETIC TOP PLATE WITH METAL KNOBS AND DIAL PLATE; GLASS DIAL COVER; PAPER INSTRUCTION SHEET

Dimensions

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

Length

28.0 cm

Width

21.5 cm

Height

24.0 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

Evershed Vignoles

Country

England

State/Province

Unknown

City

London

Context

Country

Canada

State/Province

Ontario

Period

PROBABLY USED IN THE 1920'S UP TO THE 1950'S

Canada

TYPE SAMPLE OF DEVICE USED BY THE STANDARDS DIVISION OF THE DEPT. OF TRADE AND COMMERCE

Function

USED TO MEASURE ELECTRICAL RESISTANCE IN OHMS.

Technical

MEASURES IN A RANGE FROM 0 TO 500 MICROHMS WITH A RANGE MULTIPLIER OF 10 TO 10,000

Area Notes

Unknown

Details

Markings

PLATES ON TOP: 'EVERSHED'S POTENTIAL/ OHMMETER/ "DUCTER"/ Trade Markregistered in Great Britain/ Patents 212171-1907 and 7398-1908/ EVERSHED & VIGNOLES LTD/ LONDON'/ 'Inst No 54853/ 10 microhms to 5 ohms'/ PLATE ON FRONT: 'DOMINION OF CANADA/ DEPT. OF TRADE AND COMMERCE/ STANDARDS DIVISION/ INSPECTION STANDARD NO L62'/ STICKER: 'CCA-1512/ 16781/ Do not remove/...'/ ON TOP PANEL: 'EVERSHED'S PATENT/ EVERSHED & VIGNOLES LTD/ LONDON/ CELL +/ CELL -/ CURRENT/ POTENTIAL/ CURRENT'/ ON DIAL FACE: 'No 54853/ 0 [to] 500 [in 50ths]/ MICROHMS'/ PRINTING ON INSTRUCTION SHEET INCLUDES: 'Evershed's Patent/ Potential Ohmmeter/ REGISTERED DUCTER TRADE *

Missing

N/A

Finish

BOX STAINED AND VARNISHED; DARK BROWN TOP PANEL; YELLOW PLASTIC COVER OVER INSTRUCTION SHEET IN LID

Decoration

N/A