Accession No

6094

Brief Description

mechanical electronic calculator, Comptometer 993s, with three instruction booklets, by Bell Punch Company Ltd., English, 1964 (c)

Origin

England

Maker

Bell Punch Company Ltd. Sumlock Comptometer Ltd.

Class

calculating

Earliest Date

1964

Latest Date

1964

Inscription Date

Material

metal; plastic

Dimensions

346 x 324 mm x 200 mm

Special Collection

Provenance

Donated on or before Bluestone PLC., Babraham Road, Sawston, Cambridge, CB2 4LJ by 20/04/2006. Was still in use at Bluestone until October 2005.

Inscription

‘comptometer 993s’ (front)

Description Notes

mechanical electronic calculator, Comptometer 993s; English, by Bell Punch Compmany Ltd, c.1964; 3 instruction booklets.


11 columns of keys numbers 1-9, 1 column 2-9 (1 missing?), 1 column 1. 2 display panels. +/- Switch. Electrical socket on rear.

3 notebooks, annotated. 2 black spiral-bound, 1 white ‘diploma course’.

Condition: Good; missing one key

References

Events