Mathematical model

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Ingenium, 1973.0260.001
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OBJECT TYPE: N/A
DATE: 1872
ARTIFACT NUMBER: 1973.0260.001

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

More Information

General Information

Serial #: 1872-132 (Inv.)
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: This mathematical model was designed by Theodore Olivier and manufactured by Fabre De Lagrange in 1872. These are the brass rings which sit at the top of the diagonally intersecting models. From these rings, the strings run into the box. The rings are adjustable to give different shapes within the string intersections. Measurements: Wood base 28-1/2"X10-1/2"X 10-1/4"/ 2 Round Brass Plates 8-1/2" DIA. 2 BRASS RINGS 8-1/2" DIA. Perpendicular Brass Arm 7" Dimensions: 29" X 11" X 25" high
Area Notes: Unknown

Details

Markings: S/N '1872-132'
Missing: GOOD, ONLY 2 STRINGS ARE BROKEN-now 7 strings broken as of Dec.13 2011
Finish: RECTANGULAR WOOD BASE 28-1/2"X10-1/2"X 10-1/4"/ COVER: 2 ROUND BRASS PLATES 8-1/2" DIA. EACH WITH HOLES FOR THREADS IN HALF OF ITS PERIMETER/ BRASS FRAMEWORK HOLDS 2 BRASS RINGS 8-1/2" DIA. BY TOP BAR & PARALLEL TO BRASS PLATES ON COVER/ CENTRE TOP BAR HAS A PERPENDICULAR ARM 7" LONG/ EACH BRASS RING ADJUSTABLE, IN ITS HALF OF TOP BAR/ THREADS ARE TIED TO TOP RINGS, & DESCEND DIAGONALLY THROUGH PLATES & INTO BOX/ LEAD-WEIGHTED
Decoration: N/A

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De Lagrange, Mathematical model, 1872, Artifact no. 1973.0260, Ingenium – Canada’s Museums of Science and Innovation, http://collections.ingeniumcanada.org/en/id/1973.0260.001/

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