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Non-Commercial Use
2
Category
Computing & Data Processing
1
Science Teaching
1
Maker
Block and Anderson Limited
2
Block & Anderson Ltd. (maker)
1
Facit
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Object type
desk calculator
1
duplicator
1
Place
England
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England, United Kingdom
1
Sweden
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Material
metal (unknown)
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plastic (unidentified)
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Mechanical Calculator
1925-1935
Banda spirit duplicator, 1950-1983
1950-1983