Accession No

1865

Brief Description

elliptograph, by W. and S. Jones, English, 2nd 1/4 19th Century

Origin

England; London

Maker

W. and S. Jones

Class

drawing

Earliest Date

1825

Latest Date

1850

Inscription Date

Material

metal (brass, steel); wood

Dimensions

frame overall length 168mm; breadth 157mm; height 24mm; circle diameter 114mm box length 178mm; breadth 178mm; height 37mm

Special Collection

Heywood collection

Provenance

Purchased from the Professor Harold Heywood collection under estate duty exemption benefit with the assistance of a Science Museum PRISM grant-in-aid.

Inscription

‘W & S. Jones, 30, Holborn, London.’ (on frame)

Description Notes

Square frame with extra parallel limb along one side fixed on by knurled clamps. Blued steel screws. Pair of circles turn within frame, one above the other; positions relative to each other adjustable by rack and pinion with knurled head. Cross piece graduated [0] - 3 inches, numbered by 1, divided to 1/10 inch. Compass point on crosspiece with separate rack and pinion and ‘vernier’ reading main scale. Six elongated knobs on upper circle for revolving circles.
Fitted wooden box.

References

Events