Accession No

0805

Brief Description

graphometer, by Nebel, 1730 (c)

Origin

France; Paris

Maker

Nebel

Class

surveying

Earliest Date

1730

Latest Date

1730

Inscription Date

Material

metal (brass, silver); wood

Dimensions

box length 212mm; breadth 103mm; height 95mm

Special Collection

Robert Whipple collection

Provenance

Purchased from Malcolm Gardner, London, England, in 05/1936.

Inscription

‘Nebel a Paris au Butterfield’ (on circle)
‘Graphometre a M. Lefrancois’ (on box in ink)

Description Notes

Brass. Pierced semi-circle graduated 0-180˚ clockwise and anti-clockwise in single degrees. Fixed slit and window sights at either end of the diameter. Alidade with vernier plate reading scale to 2’ of arc and slit and window sights. Compass mounted eccentrically in semi-circle. 8 point rose. Silvered scale graduated 0 - 90 - 0˚ twice. Ball below attachment to socket on tripod. Fitted wooden box.

References

Events