Accession No

0323

Brief Description

silver universal equinoctial dial, by Giacomo [Iacobas] Lusuerg, Italian, 1688

Origin

Italy; Rome

Maker

Lusuerg, Giacomo [Iacobas]

Class

dials

Earliest Date

1688

Latest Date

1688

Inscription Date

1688

Material

metal (silver, steel, brass); glass; fishskin (rayskin); cloth (velvet); wood

Dimensions

length 72mm; breadth 59mm; thickness 12mm; box length 80mm; breadth 68mm; thickness 23mm

Special Collection

Robert Whipple collection

Provenance

Purchased from Gertrude Hamilton (trading as ’Mercator’), Paris, in 08/1928.

Inscription

‘Iacobus Lusuerg Faciebat Romae 1688’

Description Notes

Silver universal equinoctial dial, by Giacomo [Iacobas] Lusuerg, Italian, 1688.

Silver dial. Octagonal base plate with slight decoration at the corners. On the base plate a compass box with cardinal points marked in Italian; magnetic variation marked at approx 10˚W of N. Plumb bob in decorated gallows. Hour ring divided II - XII, I - X, numbered by I, subdivided to 15 minutes; similarly divided on the inner ring and also divided 24, 1 - 12, 1 - 12, numbered by 1. Knife edge gnomon set on decorated plate fixed to hour ring. Latitude arc divided [11˚] - 90˚, numbered by 10˚, subdivided to 1˚, with sliding index stop. List of towns and latitudes on both sides of base plate (see history file for details).
Wooden box covered with green rayskin and lined with green velvet. Brass hinge (broken) and hook fasteners.

good condition (box fair)

References

Events