General Information

Serial #

1872-94 (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

38.7 cm

Width

38.7 cm

Height

38.7 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 IN ENGINEERING.

Technical

Unknown

Area Notes

Unknown

Details

Markings

S/N '1872-94'

Missing

N/A

Finish

A TRIANGULAR WOODEN BOX BASE/ EACH SIDE IS 14" WIDE AND 12-1/4" LONG/ TWO SIDES OF COVER HAVE DRILLED HOLES NEAR THE EDGES/ 3/4" ABOVE THE DRILLED SIDES ARE BRASS BARS/ AT SPREAD END THERE ARE SAME SIZE & ANGLE BARS, HINGED. WHEN FOLDED, THEY FIT OVER THE LOWER BARS. THEY WILL OPEN 180 DEGREES/ THREADS TIED TO FOLDING BARS PASS THROUGH LOWER BARS, THROUGH THE DRILLED HOLES, INTO THE BOX, WHERE THEY ARE LEAD-WEIGHTED

Decoration

N/A