Accession No

1024

Brief Description

plotting rule, by Edmund Culpeper, English, 1700 (c)

Origin

England; London

Maker

Culpeper, Edmund

Class

calculating

Earliest Date

1700

Latest Date

1700

Inscription Date

Material

metal (brass)

Dimensions

length 152mm; breadth 29mm

Special Collection

Trinity College collection

Provenance

On loan from Trinity College, University of Cambridge from 1951.

Inscription

‘E: Culpeper Londini fecit’ (end of one side)
‘Trin: Coll: Cant: Ex Dono THO: SCATTERGOOD Arm.’ (centre of other side)

Description Notes

Brass calculating scale. One side carries scales for log numbers, log sines and log versed sines, labelled ‘N’, ‘S’, ‘Sin’ and ‘VS’.
The other side carries scales for log numbers, log tangents, log sines and log versed sines, labelled ‘N’, ‘T’, ‘S’ and ‘VS’; and also a scale of hours for dialling, numbered I - VI and back to XI.

Condition - good; complete.

References

Events