Accession No

1141

Brief Description

perspectograph, by Gavard, 19th C.

Origin

Maker

Gavard

Class

drawing

Earliest Date

1800

Latest Date

1900

Inscription Date

Material

metal (brass, steel); plastic (ivorine); rope (string)

Dimensions

length folded 470mm; breadth 155mm; thickness 60mm

Special Collection

Provenance

Purchased from R.S. Clay, 1952.

Inscription

‘GAVARD ‘

Description Notes

Thin steel bar moving on 3 brass wheels carries brass and ivorine pencil holder. Brass pillar pivotted at each end of the steel bar. One pillar carries a movable viewing aperture with a five stop adjustable diaphragm. The other carries a small window which can be moved up and down the pillar. A string runs from a counterweight inside this pillar, over a pulley at the top, past the window, round a pulley at the base and along to the pencil holder.

Condition fair

References

Events