Accession No

4109

Brief Description

general purpose polarograph, by Cambridge Instrument Company Ltd., English, 1960

Origin

England; Cambridge

Maker

Cambridge Instrument Company Ltd.

Class

chemistry; laboratory apparatus

Earliest Date

1960

Latest Date

1960

Inscription Date

Material

metal (at least 3 types); glass; plastic (bakelite, at least 2 others); rubber

Dimensions

depth 320mm; breadth 240mm; height 160mm

Special Collection

Cambridge Instrument Company Collection

Provenance

Donated by the Cambridge Instrument Company.

Inscription

‘Cambridge
INSTRUMENT CO., LTD.,
LONDON & CAMBRIDGE
SERIAL NO. C668981 MADE IN ENGLAND’ (metal plate on back of instrument)

Description Notes

Painted metal case with various knobs on top to adjust range, sensitivity, damping and applied voltage. Further knob for zeroing. Toggle switches for motor (on/off); battery (on/off) and standardisation (on/off). Back of instrument carries three pairs of terminals, one pair for connection to cell, one pair for connection to meter, one pair marked ‘E’; plug and socket connections for ‘6V D.C.’, ‘rec. motor’ and ‘200/250V’ AC connection.

Condition fair; complete.

References

Events