Madrasah As-Saidiyyah

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Wednesday, March 21, 2012

Kalkulator Mekanikal Dulu-Dulu



This image, taken by San Francisco-based photographer Kevin Twome, shows a German-built Hamann 505 mechanical calculator from the 1960s. In its day, it sold for sold for upwards of $1,000—that's over $7,000 at today's rates.

Gizmodo

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