Accession No

0732

Brief Description

graphometer, attributed to Michael Butterfield, French, circa 1700

Origin

France [based on attributed maker]

Maker

Butterfield, Michael [attributed]

Class

surveying

Earliest Date

1700

Latest Date

1700

Inscription Date

Material

metal (brass)

Dimensions

length 240mm; breadth 115mm; height 85mm

Special Collection

Robert Whipple collection

Provenance

Purchased by Robert Stewart Whipple from Gertrude Hamilton (trading as ’Mercator’), Paris, France, on 21/07/1933.

Inscription

‘Butterfield AParis’ (on diameter)

Description Notes

Brass pierced semi-circle. Graduated 0 - 180 º clockwise and anti-clockwise to 1º. Fixed slit and window sights at opposite ends of the diameter. Rotating alidade with slit and window sights. Vernier on arm reads scale to 5’. Compass mounted within semi-circle. Brass 8 point rose with fleur-de-lis North. Graduated 0 - 90 - 0º twice. Ball and socket attachment for staff with thumb screw clamp.
Engraved floral motifs, very crude

References

Events