Decimal adder

Classification

Description

A red and white push-button reckoner from the 1970s. This decimal adder was produced to ease transition from pounds, shillings and pence to decimal currency in 1971. The adder has three circular windows showing pounds, units of new pence and new pence, and three push buttons which are clicked to increase the numbers viewed through the windows.

Designers & Manufacturers

Designer (Person)

Unknown

Manufacturer

Unknown

Inscriptions

"DECIMAL ADDER, POUNDS, UNITS OF NEW PENCE, NEW PENCE . MADE IN HONG KONG."

Object number

AIBDC : 002778

Rights

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Date

1971 (circa)

Country

Hong Kong

Method

injection moulded

Material

plastic
PS
polystyrene
PP	buttons
polypropylene

Dimensions

Height

50mm

Depth

16mm

Length

95mm

Colour

red

white