Bridge, Wheatstone

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Ingenium, 1987.0858.001
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OBJECT TYPE: PORTABLE
DATE: Unknown
ARTIFACT NUMBER: 1987.0858.001

MANUFACTURER: Nichols & Roe Electrical Laboratories Ltd.
MODEL: 270
LOCATION: Toronto, Ontario, Canada

More Information

General Information

Serial #: 946-438
Part Number: 1
Total Parts: 1
AKA: N/A
Patents: N/A
General Description: WOOD CASE/ BAKELITE INTERIOR PANEL WITH SYNTHETIC CONTROLS/ RUBBER FEET.

Dimensions

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

Length: 30.0 cm
Width: 21.0 cm
Height: 15.5 cm
Thickness: N/A
Weight: N/A
Diameter: N/A
Volume: N/A

Lexicon

Group: Meteorology
Category: Miscellaneous
Sub-Category: N/A

Manufacturer

AKA: Nichols Roe
Country: Canada
State/Province: Ontario
City: Toronto

Context

Country: Canada
State/Province: Unknown
Period: Unknown
Canada: EQUIPMENT USED BY CANADIAN METEOROLOGICAL SERVICE, PROBABLY IN CONSTRUCTION AND/OR MAINTENANCE OF INSTRUMENTS MANUFACTURED BY MSC.
Function: AN INSTRUMENT USED TO MEASURE ELECTRICAL RESISTANCE BY DIRECT COMPARISON WITH A STANDARD RESISTANCE, PROVIDING MEASUREMENTS OF HIGH ACCURACY.
Technical: Unknown
Area Notes: Unknown

Details

Markings: Incised white lettering on bakelite reading 'PORTABLE WHEATSTONE BRIDGE/ MODEL 270 SER.NO 946-438' (SN on small plate attached) & 'NICHOLS & ROE ELECT. LABS LTD./ TORONTO CANADA', & 'M.S.C.-SHOP'/ Cardboard instruction sheet reading in part 'NICHOLS & ROE ELECTRICAL LABORATORIES LIMITED/ TORONTO CANADA'.
Missing: N/A
Finish: CASE STAINED BROWN AND VARNISHED.
Decoration: MFR'S LOGO INCISED IN WHITE ON BAKELITE/ INCISED WHITE LETTERING FOR CONTROL FUNCTIONS.

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Nichols & Roe Electrical Laboratories Ltd., Bridge, Wheatstone, Unknown Date, Artifact no. 1987.0858, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingenium.ca/en/id/1987.0858.001/

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