Calculator [Date and Exchange Calculator]
Maker and role
Tasman Empire Airways Limited, Commissioned by
Production date
1961
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Object detail
Accession number
2003.161
Production period
Description
Date and Exchange Calculator:
1. Plastic cover - bell shaped, blue front and white plastic back. The front and back form an envelope for the calculator. The commemorative gold shield printed on the blue plastic reads "TEAL / 21 / YEARS / 1940-1961".
2. Discs: Two discs are joined through the centre. One disc is serrated to facilitate turning. One face has "The Auto-Date for 28 years". Gold background with black lettering. Inset windows provide basis of calculation by revolving the discs against each other. The reverse side of the discs gives exchange rates for various countries for measurements, both Imperial and Metric. Also weights for liquids and solids and their conversion. Disc diameter = 50 mm.
3. Key Chain: A key chain loop attachment 60 mm long is fixed to a disc and passes through the plastic cover.
1. Plastic cover - bell shaped, blue front and white plastic back. The front and back form an envelope for the calculator. The commemorative gold shield printed on the blue plastic reads "TEAL / 21 / YEARS / 1940-1961".
2. Discs: Two discs are joined through the centre. One disc is serrated to facilitate turning. One face has "The Auto-Date for 28 years". Gold background with black lettering. Inset windows provide basis of calculation by revolving the discs against each other. The reverse side of the discs gives exchange rates for various countries for measurements, both Imperial and Metric. Also weights for liquids and solids and their conversion. Disc diameter = 50 mm.
3. Key Chain: A key chain loop attachment 60 mm long is fixed to a disc and passes through the plastic cover.
Marks
TEAL / 21 / YEARS / 1940-1961 Printed
Media/Materials
Credit Line
Tasman Empire Airways Limited. 1961. Calculator [Date and Exchange Calculator], 2003.161. The Museum of Transport and Technology (MOTAT).
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