Accession No

2144

Brief Description

Yule’s harmonic analyser, by Cambridge Scientific Instrument Company Ltd., English, 1888

Origin

England; Cambridge

Maker

Cambridge Scientific Instrument Company Ltd.

Class

mathematics

Earliest Date

1888

Latest Date

1888

Inscription Date

Material

metal (brass); wood; glass; cloth(felt)

Dimensions

box length 495mm; breadth 135mm; height 75mm

Special Collection

Provenance

Transferred from Institute of Astronomy, University of Cambridge, Cambridge, England, 10/1975.

Inscription

‘YULES PATENT No 14928’
‘CAMBRIDGE SCIENTIFIC INSTRUMENT CO LTD.’

Description Notes

Brass rule with cogged edge on hemispherical mount and rollers with central extension and circular knob.
Four brass discs marked ‘60’, ‘80’, ‘120’ and ‘240’, corresponding to number of cogs. All with three glazed apertures, two at opposite edges of diameter and one central, centres of each marked with dots.

Condition

References

Events