Ohmmeter

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Ingenium, 1997.0186.001
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OBJECT TYPE
POTENTIAL/10 MICROHMS-5 OHMS
DATE
1910
ARTIFACT NUMBER
1997.0186.001
MANUFACTURER
Evershed & Vignoles Ltd.
MODEL
DUCTER
LOCATION
London, England

More Information


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

CITE THIS OBJECT

If you choose to share our information about this collection object, please cite:

Evershed & Vignoles Ltd., Ohmmeter, circa 1910, Artifact no. 1997.0186, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1997.0186.001/

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