Balance

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Ingenium, 1999.0096.001
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OBJECT TYPE: HANGING/2-PAN/METRIC
DATE: 1900
ARTIFACT NUMBER: 1999.0096.001

MANUFACTURER: Unknown
MODEL: Unknown
LOCATION: Unknown

More Information

General Information

Serial #: N/A
Part Number: 1
Total Parts: 1
AKA: N/A
Patents: N/A
General Description: METAL (STEEL?) BALANCE ARM, SUPPORT & RINGS/ CELLULOID PANS SUSPENDED BY STRING

Dimensions

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

Length: 26.0 cm
Width: 9.0 cm
Height: 36.0 cm
Thickness: N/A
Weight: N/A
Diameter: N/A
Volume: N/A

Lexicon

Group: Chemistry
Category: Test-measurement equipment
Sub-Category: N/A

Manufacturer

AKA: Unknown
Country: Unknown
State/Province: Unknown
City: Unknown

Context

Country: Canada
State/Province: Unknown
Period: LATE 19TH-EARLY 20TH CENTURY+
Canada: ORIGINALLY THE PROPERTY OF CANADIAN GEOPHYSICIST DR. DAVID ARNOLD KEYS (1890-1977). ACCORDING TO HIS SON, SOME OF THIS EQUIPMENT WAS USED BY DR. KEYS IN DEMONSTRATIONS TO SCHOOL CHILDREN INTENDED TO STIMULATE INTEREST IN SCIENCE, OTHER PIECES DATE FROM HIS TIME AT GERMAN PHYSICIST WILHELM ROENTGEN'S LAB IN MUNICH, MCGILL UNIVERSITY & AECL. DR. KEYS WORKED WITH ROENTGEN IN MUNICH IN 1911 BEFORE EARNING A PHD AT CAMBRIDGE; HE WAS PROFESSOR OF PHYSICS AT MCGILL 1921-1947; HE WAS VP FOR ATOMIC ENERGY PROJECT AT NRC'S CHALK RIVER LABS 1947-1955; AND WAS AN AECL CONSULTANT UNTIL THE 1970'S.
Function: INSTRUMENT FOR DETERMINING MASS TYPICALLY CONSISTING OF BAR ATTACHED TO CENTRAL SUPPORT SO THAT IT HAS FREE HORIZONTAL MOVEMENT, WITH PAN OR TRAY SUSPENDED FROM EACH END OF BAR. IF SUBSTANCE OF UNKNOWN MASS IS PLACED ON ONE TRAY, ITS MASS CAN BE DETERMINED BY AMOUNT OF KNOWN MASS THAT MUST BE PLACED ON OTHER TRAY IN ORDER TO BRING TWO INTO EXACT HORIZONTAL ALIGNMENT.
Technical: EXAMPLE OF TWO-PAN HANGING OR SUSPENDED RING BALANCE, THIS ONE HAVING CELLULOID CUPS & MEASURING 200 G.
Area Notes: Unknown

Details

Markings: INCISED "200 g" ON BALANCE ARM & "48" ON SUPPORT ARM BY PIVOT
Missing: CHIP FROM EDGE OF ONE PAN/ SUPPORT STRING BROKEN AT END NEAREST PAN
Finish: GOLD PAINTED METAL/ BROWN STRING/ TRANSLUCENT GREEN CUPS
Decoration: N/A

CITE THIS OBJECT

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

Unknown Manufacturer, Balance, circa 1900, Artifact no. 1999.0096, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1999.0096.001/

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