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Research--Equipment and supplies
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Scientific apparatus and instruments
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Mathematical instruments
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Calculators
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Programmable calculators
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Hewlett-Packard programmable calculators
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HP-18C (Calculator)
HP-18C (Calculator)
Topic
sh87000634
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id.loc.gov
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Hewlett-Packard HP-18C (Calculator)
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Hewlett-Packard programmable calculators
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