Accession No

6142

Brief Description

Bulmer’s/Addo model 8, mechanical calculator, by Bulmer's Calculators Ltd., Swedish, 1926 (c)

Origin

Sweden

Maker

Bulmer’s (Calculators) Ltd.

Class

calculating

Earliest Date

1926

Latest Date

1926

Inscription Date

Material

rubber; plastic; metal; paper

Dimensions

Length 350mm; breadth 210mm; height 230mm

Special Collection

Hookham collection

Provenance

Donated on or before 25/07/2007.

Inscription

‘addo’ (raised, uncoloured letters on rear)
‘BULMER’S
(CALCULATORS) LTD
7-8 POULTRY, LONDON, E.C.2. CENtral. 3611.’ (metal plate on back)
‘(MADE IN SWEDEN)’ (front)

Description Notes

Addo/Bulmer’s model 8, in black plastic case on rubber base.

Metal plate with 8 columns for entering numbers, and a right-hand column for 1/4, 1/2, 3/4 for farthings and 10 and 11 for old pence. Row of red plastic knobs at top of plate marked ‘R’, ‘C’, left-pointing arrow, ‘-’ (with release button beside), square, ‘*’.
Numbers are rung up by a crank handle with plastic knob on right side of instrument.
Output is by printing onto a roll of paper which can be moved forward by two plastic knobs on either side of the instrument.

Fair condition: casing cracked; complete.

References

Events