Renseignements généraux

Nº de série

1872-125 (Inv.)

Nº de partie

1

Nombre total de parties

1

Ou

S/O

Brevets

S/O

Description générale

WOOD/ BRASS

Dimensions

Remarque : Cette information reflète la taille générale pour l’entreposage et ne représente pas nécessairement les véritables dimensions de l’objet.

Longueur

34,9 cm

Largeur

3,8 cm

Hauteur

S/O

Épaisseur

S/O

Poids

S/O

Diamètre

S/O

Volume

S/O

Lexique

Groupe

Mathématiques

Catégorie

Maquettes

Sous-catégorie

S/O

Fabricant

Ou

DeLagrange

Pays

France

État/province

Inconnu

Ville

Paris

Contexte

Pays

Inconnu

État/province

Inconnu

Période

Inconnu

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.

Fonction

USED AS VISUAL AID FOR TEACHING DESCRIPTIVE GEOMETRY OF ENGINEERING.

Technique

This model is no. 35 in the original SK catalogue from 1872, an "Intersection of two cylinders, one piercing the other so as to give two separate loops of intersection." The start of the catalogue states: "The set of Models described in this Catalogue is deposited in the Educational Collection at the South Kensington Museum." One of the cylinders pierces the other so that there are two separate loops intersecting. William Cady Stone has pointed out in his book on the Olivier models that placed grommets on the intersection of two strings to emphasize the curve of the lines. As the lines are curved, the grommets slide with the string to show the change in the curve. (Stone, 4)

Notes sur la région

Inconnu

Détails

Marques

S/N '1872-125' PAINTED ON

Manque

none

Fini

A 13-3/4" SQUARE X 1-1/2" BASE OF WOOD/ TOP CENTRE, PIVOTED BY THEIR CENTRE ARE TWO BRASS ASSEMBLIES, ONE ABOVE THE OTHER, FREE TO ROTATE/ EACH ASSEMBLY IS 13-1/2" LONG/ UPRIGHT AT EACH ASSEMBLY'S ENDS ARE BRASS RINGS WITH A CROSSPIECE ON A WIDE BASE/ BRASS ARMS CONNECT EACH END OF BASE/ THREADS RUN BETWEEN THE SET OF BASES & THE SET OF RINGS/ DIA.: LOWER RINGS- 6-1/2"; UPPER RINGS- 9'/ GOOD, FEW STRINGS MISSING

Décoration

S/O