Sue帽os N潞1, de Grete Stern
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"PI to 1100 places"
from PPC Calculator Journal, june 1980
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Werbung f眉r Bleistiftspitzmaschine Caran d' Ache, um 1940
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Mechanische Bleistiftspitzmaschine, Caran d'Ache, um 1935
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David Weidman, poster artwork, Work smarter not harder, 1967.
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路
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