Accession No

6072

Brief Description

Custom Green Line electronic pocket calculator, by Commodore Business Machines Ltd., British, 20th Century

Origin

UK

Maker

Commodore Business Machines Ltd.

Class

calculating

Earliest Date

1974

Latest Date

1976

Inscription Date

Material

plastic (unknown, leatherette); metal, paper

Dimensions

length 140mm; width 75mm; depth 36mm

Special Collection

Provenance

Donated on or before 18/12/2002.

Inscription

‘Custom Green Line’ [on front]
‘cbm’ [on front]
‘Rechargeable Electronic Calculator
Recharging & AC operation
use only adaptor/recharger for
models 996R & 997R
Repairs by unauthorized persons
voids warranty
Model Custom GL997R
Serial no. 58935
Made in UK CBM 200285-02’ [on underside]

Description Notes

Custom Green Line electronic pocket calculator, model GL997R, made by CBM [Commodore] Business Machines Limited; 20th century

Black and white plastic calculator with red/brown leatherette case and instruction manual. Powered by 4.5V adapter or two internal rechargeable batteries (no charger present).

8 digit green VFD (vacuum fluorescent display) with a 9th digit for negative, and error indicators. Basic four functions with percentages and register exchange, plus 4 memory keys (M+, M-, MR, MT)

Top front has an oversized green plastic display filter that is flush with the case and has a sloping inset section. It has the Commodore logo raised and painted silver along with the words "Custom Green Line". Keys are red, white and blue. Below the keyboard is a black printed metallic sticker with the company name (cbm), which sits in its own recess.

Condition good; burn mark to plastic on right side near charging socket. Some discolouration to casing.

References

Events