Accession No

6480

Brief Description

brass sector, by John Marke, English, 1665–1673

Origin

England; [London]

Maker

Marke, John [aka Mark, John]

Class

calculating; mathematics

Earliest Date

1665

Latest Date

1673

Inscription Date

Material

metal (brass)

Dimensions

length 160mm; breadth 25mm; thickness 3mm

Special Collection

Provenance

Purchased from Christie’s South Kensington, London. No. 45 in the Travel, Science and Natural History sale, 23/9/2010.

Inscription

I. Mark : fe[cit] ; Parts ; Chords

Description Notes

Hinged brass sector. Obverse carries two double scales: “Parts” marked [0]–200, divided by 1, numbered every 10; “Poll” marked 4–12, numbered and divided to 1. Reverse carries a double scale: “Chords” marked [0]–180, divided by 1, marked every 10. Signature to hinge, obverse.

Condition: good (some dark coloured patches to brass); complete.

References

Events