Accession No

1609

Brief Description

rule and protractor, by Domenico [Dominicus] Lusuerg, Italian, 1701

Origin

Italy; Rome

Maker

Lusuerg, Domenico [Dominicus]

Class

calculating; military

Earliest Date

1701

Latest Date

1701

Inscription Date

1701

Material

metal (brass)

Dimensions

length 225mm; breadth 52mm; thickness 16mm

Special Collection

Provenance

Purchased from A. Davidson Ltd., Jermyn Street, London, in 20/03/1972. Purchased with the aid of a grant from the Victoria & Albert Museum. Previously sold at Sotheby’s in 13/12/1971, Lot 109.

Inscription

‘Dominicus Lusuerg F. Romæ. 1701 ‘ (on hinge)

Description Notes

Rule and protractor by Domenico [Dominicus] Lusuerg, Italian, 1701.

Two hinged limbs with a protractor at the limbs. Protractor divided [0] - 180 in both directions, numbered by 10 subdivided to 1 and marked ‘Anguli Interiores’ and ‘Angulie Exteriores’. Obverse of limbs carry linear scale marked ‘Semipes Geometricus’ divided [0] - 60 numbered by 10, 0 - 10 subdivided to 0.5 and scale marked ‘Semipes Romanus’ divided as before. Reverse carries a scale marked ‘Semipalmus Romanus’ divided as before, also a scale of inches with transversal for division to 1/100 inch. Hinge carries scale marked ‘Pro Eleutione Bombardæ’ divided 6 - [0] - 6 numbered by 1 subdivided to 1/6. Upper side of hinge carries compass with screw-fit lid, cardinal points marked, steel needle in form of arrow. Acanthus leaf decoration.

Condition fair (moisture in compass); complete

References

Events