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Slide rule

2005.0087.001

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Pattern

2005.0087.002

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Pattern

2005.0087.003

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Pattern

2005.0087.004

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Pattern

2005.0087.005

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Pattern

2005.0087.006

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Pattern

2005.0087.007

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Pattern

2005.0087.008

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Pattern

2005.0087.009

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Pattern

2005.0087.010