Mathematical model

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Ingenium, 1973.0259.001
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OBJECT TYPE: N/A
DATE: 1872
ARTIFACT NUMBER: 1973.0259.001

MANUFACTURER: De Lagrange
MODEL: Pair of intersecting cylinders
LOCATION: Paris, France

More Information

General Information

Serial #: E43-1872
Part Number: 1
Total Parts: 1
AKA: N/A
Patents: N/A
General Description: WOOD/ BRASS

Dimensions

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

Length: 73.6 cm
Width: 27.9 cm
Height: 63.5 cm
Thickness: N/A
Weight: N/A
Diameter: N/A
Volume: N/A

Lexicon

Group: Mathematics
Category: Models
Sub-Category: N/A

Manufacturer

AKA: DeLagrange
Country: France
State/Province: Unknown
City: Paris

Context

Country: Unknown
State/Province: Unknown
Period: Unknown
Canada: In 1872 the South Kensington Museum in London UK commissioned Fabre de Lagrange of Paris to make 45 mathematical models for their Education Collection. The Canada Science and Technology Museums Corporation obtaind 28 of them from the Science Museum in 1973 through a deaccession. They still have seventeen models from the original commission.
Function: USED AS VISUAL AID FOR TEACHING DESCRIPTIVE GEOMETRY OF ENGINEERING.
Technical: Unknown
Area Notes: Unknown

Details

Markings: SCRATCHED ON TOP BAR 'E43-1872'
Missing: none - strings have apparently been replaced in the past, no rings on strings
Finish: RECTANGULAR WOOD BOX BASE 28-1/2" X 10-/12" X 10-1/4" HIGH/ COVER HAS 2 RECTANGULAR BRASS PLATES 2-1/2" X 8-1/2" WITH DRILLED HOLES IN AN 'S' PATTERN/ SUPPORTED ON TOP BY A BRASS FRAME ARE 2 WHEELS WITH AN 'S' SHAPED BAR SUSPENDED BENEATH THEM. BAR IS 8-1/2" LONG/ THERE IS A 7" LONG BAR PERPENDICULAR, & IN THE CENTRE OF THE TOP CROSS BAR, WITH A 1" BRASS BALL SUSPENDED FROM IT/ STRINGS TIED TO TOP 'S' BAR CROSS EACH OTHER DIAGONALLY AS THEY DESCEND THROUGH PLATES INTO THE BOX. ONE SET OF STRINGS IS RED, THE OTHER GREEN, AND THEY TERMINATE IN LEAD WEIGHTS/
Decoration: N/A

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De Lagrange, Mathematical model, 1872, Artifact no. 1973.0259, Ingenium – Canada’s Museums of Science and Innovation, http://collections.ingeniumcanada.org/en/id/1973.0259.001/

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