slide rule in box pic from think geek(and i can have one for JUST $29.99)
multiplication pic from the slide rule museum
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DEBTOCRACY- A GREEK FILM WITH LESSONS FOR IRELAND
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Showing posts with label international slide rule museum. Show all posts
Showing posts with label international slide rule museum. Show all posts
Monday, September 07, 2009
i want one and i want it NOW
slide rule in box pic from think geek(and i can have one for JUST $29.99)
multiplication pic from the slide rule museum
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