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12 Woodstocks in my collection
as of
These HP 21s have been bought later, when nostalgia pushed me into spending money and get back the feeling of the very first HP calculator I had.

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HP 21 (own 5)
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HP 22
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HP 25 (own 2)
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HP 25C
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HP 27
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HP 29C
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HP 19C
(being repaired)


The other ones are members of the Woodstock family that I would have dreamt to have back in the 70s.