Accession No

1928

Brief Description

Yule’s harmonic analyser in wooden box, by Cambridge Scientific Instrument Company Ltd, English, c. 1900

Origin

England; Cambridge

Maker

Cambridge Scientific Instrument Company Ltd.

Class

mathematics

Earliest Date

1900

Latest Date

1900

Inscription Date

Material

metal (brass, steel); wood; plastic; cloth (felt)

Dimensions

box length 496mm; breadth 130mm; height 70mm

Special Collection

Cavendish collection

Provenance

Transferred from the Cavendish Laboratory, University of Cambridge in 1974.

Inscription

‘SCIENTIFIC INSTRUMENT COMPANY LTD
CAMBRIDGE’ (main instrument)

Description Notes

Wooden box with brass hinges. Blue felt support for main part of instrument. This consists of a rolling parallel ruler with cogged edge and central rectangular extension with circular knob.
Four flat discs consisting of base disc of brass, a toothed wheel and a crank, apart from the largest which has no crank.

Used for determining the coefficients of a Fourier series expressing the equation to a given curve.

Condition good; complete.

References

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